./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/nla-digbench-scaling/bresenham-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:52:22,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:52:22,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:52:22,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:52:22,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:52:22,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:52:22,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:52:22,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:52:22,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:52:22,627 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:52:22,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:52:22,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:52:22,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:52:22,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:52:22,628 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:52:22,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:52:22,629 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:52:22,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:52:22,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:52:22,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:52:22,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:52:22,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:52:22,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:52:22,631 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 [2025-03-04 10:52:22,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:52:22,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:52:22,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:52:22,844 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:52:22,845 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:52:22,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2025-03-04 10:52:23,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07510f55c/7ebf245ca9ba46edb8c12fbb04d9cde1/FLAG66d65baa1 [2025-03-04 10:52:24,144 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:52:24,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2025-03-04 10:52:24,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07510f55c/7ebf245ca9ba46edb8c12fbb04d9cde1/FLAG66d65baa1 [2025-03-04 10:52:24,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07510f55c/7ebf245ca9ba46edb8c12fbb04d9cde1 [2025-03-04 10:52:24,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:52:24,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:52:24,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:52:24,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:52:24,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:52:24,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db62278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24, skipping insertion in model container [2025-03-04 10:52:24,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:52:24,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:52:24,623 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:52:24,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:52:24,642 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:52:24,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24 WrapperNode [2025-03-04 10:52:24,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:52:24,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:52:24,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:52:24,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:52:24,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,672 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2025-03-04 10:52:24,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:52:24,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:52:24,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:52:24,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:52:24,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,692 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 10:52:24,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,695 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:52:24,698 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:52:24,698 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:52:24,698 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:52:24,699 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (1/1) ... [2025-03-04 10:52:24,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:52:24,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:24,731 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 10:52:24,733 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 10:52:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:52:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 10:52:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 10:52:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:52:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:52:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:52:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:52:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:52:24,792 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:52:24,793 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:52:25,060 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-03-04 10:52:25,060 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:52:25,070 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:52:25,070 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:52:25,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:52:25 BoogieIcfgContainer [2025-03-04 10:52:25,070 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:52:25,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:52:25,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:52:25,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:52:25,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:52:24" (1/3) ... [2025-03-04 10:52:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7b008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:52:25, skipping insertion in model container [2025-03-04 10:52:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:24" (2/3) ... [2025-03-04 10:52:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7b008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:52:25, skipping insertion in model container [2025-03-04 10:52:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:52:25" (3/3) ... [2025-03-04 10:52:25,079 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound50.c [2025-03-04 10:52:25,088 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:52:25,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_valuebound50.c that has 3 procedures, 140 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2025-03-04 10:52:25,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:52:25,133 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;@56fdaa9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:52:25,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-03-04 10:52:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 75 states have (on average 1.84) internal successors, (138), 133 states have internal predecessors, (138), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-04 10:52:25,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,143 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:25,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:25,148 INFO L85 PathProgramCache]: Analyzing trace with hash 234381216, now seen corresponding path program 1 times [2025-03-04 10:52:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:25,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583111197] [2025-03-04 10:52:25,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:25,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 10:52:25,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 10:52:25,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:25,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 10:52:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583111197] [2025-03-04 10:52:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583111197] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548071726] [2025-03-04 10:52:25,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:25,252 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 10:52:25,253 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 10:52:25,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 10:52:25,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 10:52:25,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:25,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:25,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 10:52:25,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 10:52:25,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:25,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548071726] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:25,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:25,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 10:52:25,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17568061] [2025-03-04 10:52:25,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:25,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 10:52:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:25,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 10:52:25,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 10:52:25,325 INFO L87 Difference]: Start difference. First operand has 140 states, 75 states have (on average 1.84) internal successors, (138), 133 states have internal predecessors, (138), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:25,349 INFO L93 Difference]: Finished difference Result 276 states and 291 transitions. [2025-03-04 10:52:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 10:52:25,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-04 10:52:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:25,356 INFO L225 Difference]: With dead ends: 276 [2025-03-04 10:52:25,356 INFO L226 Difference]: Without dead ends: 133 [2025-03-04 10:52:25,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 10:52:25,365 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:25,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-04 10:52:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-04 10:52:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2025-03-04 10:52:25,404 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 14 [2025-03-04 10:52:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:25,405 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2025-03-04 10:52:25,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2025-03-04 10:52:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-04 10:52:25,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,407 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:25,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 10:52:25,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:25,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:25,608 INFO L85 PathProgramCache]: Analyzing trace with hash 37897502, now seen corresponding path program 1 times [2025-03-04 10:52:25,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:25,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64562369] [2025-03-04 10:52:25,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:25,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:25,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 10:52:25,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 10:52:25,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:25,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:25,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:25,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64562369] [2025-03-04 10:52:25,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64562369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:25,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:25,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:25,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740181529] [2025-03-04 10:52:25,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:25,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:25,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:25,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:25,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:25,663 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:25,778 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2025-03-04 10:52:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:25,778 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-04 10:52:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:25,779 INFO L225 Difference]: With dead ends: 133 [2025-03-04 10:52:25,779 INFO L226 Difference]: Without dead ends: 129 [2025-03-04 10:52:25,779 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 10:52:25,780 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 88 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:25,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 83 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:25,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-03-04 10:52:25,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-03-04 10:52:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2025-03-04 10:52:25,789 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 14 [2025-03-04 10:52:25,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:25,791 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2025-03-04 10:52:25,791 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2025-03-04 10:52:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:52:25,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,792 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:52:25,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:25,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1174822655, now seen corresponding path program 1 times [2025-03-04 10:52:25,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:25,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226111523] [2025-03-04 10:52:25,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:25,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:52:25,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:52:25,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:25,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:25,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:25,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226111523] [2025-03-04 10:52:25,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226111523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:25,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:25,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:25,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012338299] [2025-03-04 10:52:25,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:25,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:25,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:25,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:25,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:25,859 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:25,940 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2025-03-04 10:52:25,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:25,940 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-03-04 10:52:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:25,941 INFO L225 Difference]: With dead ends: 129 [2025-03-04 10:52:25,941 INFO L226 Difference]: Without dead ends: 125 [2025-03-04 10:52:25,941 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 10:52:25,941 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 87 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:25,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 83 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-03-04 10:52:25,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-03-04 10:52:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2025-03-04 10:52:25,953 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 15 [2025-03-04 10:52:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:25,953 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2025-03-04 10:52:25,953 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2025-03-04 10:52:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 10:52:25,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,953 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:52:25,954 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:25,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:25,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2059764028, now seen corresponding path program 1 times [2025-03-04 10:52:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:25,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232061974] [2025-03-04 10:52:25,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:25,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:52:25,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:52:25,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:25,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232061974] [2025-03-04 10:52:26,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232061974] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:26,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:26,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:26,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872639712] [2025-03-04 10:52:26,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:26,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:26,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:26,006 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:26,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:26,180 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2025-03-04 10:52:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-03-04 10:52:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:26,182 INFO L225 Difference]: With dead ends: 125 [2025-03-04 10:52:26,182 INFO L226 Difference]: Without dead ends: 122 [2025-03-04 10:52:26,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:26,183 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 169 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:26,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 78 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-04 10:52:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-04 10:52:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-04 10:52:26,188 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 16 [2025-03-04 10:52:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:26,188 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-04 10:52:26,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-04 10:52:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 10:52:26,189 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:26,189 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:26,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:52:26,189 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:26,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash -571824483, now seen corresponding path program 1 times [2025-03-04 10:52:26,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115510939] [2025-03-04 10:52:26,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:52:26,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:52:26,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115510939] [2025-03-04 10:52:26,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115510939] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:26,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:26,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:26,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816196028] [2025-03-04 10:52:26,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:26,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:26,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:26,244 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:26,370 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-03-04 10:52:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2025-03-04 10:52:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:26,371 INFO L225 Difference]: With dead ends: 122 [2025-03-04 10:52:26,371 INFO L226 Difference]: Without dead ends: 119 [2025-03-04 10:52:26,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:26,372 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 168 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:26,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 78 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:26,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-04 10:52:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-03-04 10:52:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2025-03-04 10:52:26,379 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 17 [2025-03-04 10:52:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:26,379 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2025-03-04 10:52:26,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2025-03-04 10:52:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 10:52:26,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:26,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:26,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:52:26,380 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:26,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,381 INFO L85 PathProgramCache]: Analyzing trace with hash -546689703, now seen corresponding path program 1 times [2025-03-04 10:52:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366031651] [2025-03-04 10:52:26,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:52:26,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:52:26,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:26,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240072235] [2025-03-04 10:52:26,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:26,405 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 10:52:26,406 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 10:52:26,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:52:26,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:52:26,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:52:26,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:26,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366031651] [2025-03-04 10:52:26,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240072235] [2025-03-04 10:52:26,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240072235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:26,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:26,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:26,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993189722] [2025-03-04 10:52:26,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:26,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:26,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:26,449 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:26,498 INFO L93 Difference]: Finished difference Result 183 states and 188 transitions. [2025-03-04 10:52:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:26,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-03-04 10:52:26,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:26,499 INFO L225 Difference]: With dead ends: 183 [2025-03-04 10:52:26,499 INFO L226 Difference]: Without dead ends: 177 [2025-03-04 10:52:26,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 10:52:26,500 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:26,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 215 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-03-04 10:52:26,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2025-03-04 10:52:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 136 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 161 transitions. [2025-03-04 10:52:26,507 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 161 transitions. Word has length 18 [2025-03-04 10:52:26,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:26,507 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 161 transitions. [2025-03-04 10:52:26,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 161 transitions. [2025-03-04 10:52:26,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 10:52:26,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:26,508 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:26,513 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 10:52:26,712 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 10:52:26,712 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:26,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1382791785, now seen corresponding path program 1 times [2025-03-04 10:52:26,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386799186] [2025-03-04 10:52:26,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:52:26,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:52:26,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:26,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379297039] [2025-03-04 10:52:26,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:26,727 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 10:52:26,729 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 10:52:26,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:52:26,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:52:26,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:52:26,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:26,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386799186] [2025-03-04 10:52:26,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379297039] [2025-03-04 10:52:26,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379297039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:26,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:26,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825684164] [2025-03-04 10:52:26,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:26,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:26,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:26,766 INFO L87 Difference]: Start difference. First operand 143 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:26,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:26,810 INFO L93 Difference]: Finished difference Result 239 states and 261 transitions. [2025-03-04 10:52:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:26,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-03-04 10:52:26,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:26,812 INFO L225 Difference]: With dead ends: 239 [2025-03-04 10:52:26,812 INFO L226 Difference]: Without dead ends: 233 [2025-03-04 10:52:26,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 10:52:26,813 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:26,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 215 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-04 10:52:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 191. [2025-03-04 10:52:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 140 states have (on average 1.6571428571428573) internal successors, (232), 183 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 242 transitions. [2025-03-04 10:52:26,826 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 242 transitions. Word has length 20 [2025-03-04 10:52:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:26,827 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 242 transitions. [2025-03-04 10:52:26,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 242 transitions. [2025-03-04 10:52:26,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 10:52:26,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:26,827 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:26,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 10:52:27,027 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 10:52:27,028 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:27,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008363, now seen corresponding path program 1 times [2025-03-04 10:52:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:27,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252968834] [2025-03-04 10:52:27,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:27,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:52:27,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:52:27,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:27,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938775973] [2025-03-04 10:52:27,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:27,038 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 10:52:27,039 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 10:52:27,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:52:27,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:52:27,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:27,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:27,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:27,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252968834] [2025-03-04 10:52:27,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938775973] [2025-03-04 10:52:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938775973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:27,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:27,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090358623] [2025-03-04 10:52:27,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:27,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:27,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:27,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:27,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:27,088 INFO L87 Difference]: Start difference. First operand 191 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:27,229 INFO L93 Difference]: Finished difference Result 257 states and 311 transitions. [2025-03-04 10:52:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:27,229 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2025-03-04 10:52:27,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:27,230 INFO L225 Difference]: With dead ends: 257 [2025-03-04 10:52:27,230 INFO L226 Difference]: Without dead ends: 255 [2025-03-04 10:52:27,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:27,231 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 121 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:27,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 228 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:27,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-04 10:52:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 192. [2025-03-04 10:52:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 141 states have (on average 1.6453900709219857) internal successors, (232), 184 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 242 transitions. [2025-03-04 10:52:27,237 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 242 transitions. Word has length 22 [2025-03-04 10:52:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:27,237 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 242 transitions. [2025-03-04 10:52:27,237 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 242 transitions. [2025-03-04 10:52:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 10:52:27,238 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:27,238 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:27,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:27,438 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 10:52:27,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1718651625, now seen corresponding path program 1 times [2025-03-04 10:52:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677866642] [2025-03-04 10:52:27,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:27,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 10:52:27,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 10:52:27,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:27,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641813058] [2025-03-04 10:52:27,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:27,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:27,449 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 10:52:27,451 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 10:52:27,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 10:52:27,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 10:52:27,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:27,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:27,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:27,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:27,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677866642] [2025-03-04 10:52:27,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:27,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641813058] [2025-03-04 10:52:27,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641813058] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:27,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:27,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:27,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16535154] [2025-03-04 10:52:27,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:27,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:27,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:27,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:27,516 INFO L87 Difference]: Start difference. First operand 192 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:27,627 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2025-03-04 10:52:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:27,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-03-04 10:52:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:27,629 INFO L225 Difference]: With dead ends: 256 [2025-03-04 10:52:27,630 INFO L226 Difference]: Without dead ends: 254 [2025-03-04 10:52:27,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:27,630 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 119 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:27,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 231 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-03-04 10:52:27,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 193. [2025-03-04 10:52:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.6338028169014085) internal successors, (232), 185 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 242 transitions. [2025-03-04 10:52:27,640 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 242 transitions. Word has length 23 [2025-03-04 10:52:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:27,641 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 242 transitions. [2025-03-04 10:52:27,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 242 transitions. [2025-03-04 10:52:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-04 10:52:27,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:27,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:27,650 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 10:52:27,842 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 10:52:27,843 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:27,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1738592749, now seen corresponding path program 1 times [2025-03-04 10:52:27,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:27,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157605462] [2025-03-04 10:52:27,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:27,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 10:52:27,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 10:52:27,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:27,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743884290] [2025-03-04 10:52:27,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:27,860 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 10:52:27,863 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 10:52:27,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 10:52:27,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 10:52:27,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:27,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:27,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:27,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:27,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157605462] [2025-03-04 10:52:27,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:27,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743884290] [2025-03-04 10:52:27,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743884290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:27,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:27,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:27,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505079885] [2025-03-04 10:52:27,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:27,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:27,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:27,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:27,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:27,907 INFO L87 Difference]: Start difference. First operand 193 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,018 INFO L93 Difference]: Finished difference Result 252 states and 270 transitions. [2025-03-04 10:52:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-03-04 10:52:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,019 INFO L225 Difference]: With dead ends: 252 [2025-03-04 10:52:28,019 INFO L226 Difference]: Without dead ends: 250 [2025-03-04 10:52:28,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:28,019 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 166 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 251 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-04 10:52:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 193. [2025-03-04 10:52:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.6126760563380282) internal successors, (229), 185 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 239 transitions. [2025-03-04 10:52:28,025 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 239 transitions. Word has length 24 [2025-03-04 10:52:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,025 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 239 transitions. [2025-03-04 10:52:28,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 239 transitions. [2025-03-04 10:52:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 10:52:28,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,026 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:28,031 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 10:52:28,226 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 10:52:28,227 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:28,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:28,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1938199701, now seen corresponding path program 1 times [2025-03-04 10:52:28,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:28,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900299456] [2025-03-04 10:52:28,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:28,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:52:28,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:52:28,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:28,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804781630] [2025-03-04 10:52:28,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:28,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:28,242 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 10:52:28,244 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 10:52:28,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:52:28,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:52:28,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:28,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:28,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:28,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900299456] [2025-03-04 10:52:28,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804781630] [2025-03-04 10:52:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804781630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:28,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:28,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870049266] [2025-03-04 10:52:28,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:28,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:28,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:28,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:28,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:28,299 INFO L87 Difference]: Start difference. First operand 193 states and 239 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,393 INFO L93 Difference]: Finished difference Result 250 states and 267 transitions. [2025-03-04 10:52:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-03-04 10:52:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,395 INFO L225 Difference]: With dead ends: 250 [2025-03-04 10:52:28,395 INFO L226 Difference]: Without dead ends: 248 [2025-03-04 10:52:28,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:28,396 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 163 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 257 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-03-04 10:52:28,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 193. [2025-03-04 10:52:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.591549295774648) internal successors, (226), 185 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2025-03-04 10:52:28,404 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 25 [2025-03-04 10:52:28,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,404 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2025-03-04 10:52:28,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2025-03-04 10:52:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 10:52:28,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:28,411 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 10:52:28,605 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 10:52:28,606 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:28,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:28,606 INFO L85 PathProgramCache]: Analyzing trace with hash -45351343, now seen corresponding path program 1 times [2025-03-04 10:52:28,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:28,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747584155] [2025-03-04 10:52:28,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:28,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:52:28,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:52:28,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:28,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925724821] [2025-03-04 10:52:28,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:28,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:28,615 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 10:52:28,617 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 10:52:28,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:52:28,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:52:28,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:28,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:28,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:28,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:28,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747584155] [2025-03-04 10:52:28,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925724821] [2025-03-04 10:52:28,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925724821] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:28,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:28,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:52:28,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737597240] [2025-03-04 10:52:28,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:28,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:28,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:28,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:28,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:28,666 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,817 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2025-03-04 10:52:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:52:28,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-03-04 10:52:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,818 INFO L225 Difference]: With dead ends: 251 [2025-03-04 10:52:28,819 INFO L226 Difference]: Without dead ends: 249 [2025-03-04 10:52:28,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:28,819 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 108 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 294 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-04 10:52:28,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 196. [2025-03-04 10:52:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5724137931034483) internal successors, (228), 188 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 238 transitions. [2025-03-04 10:52:28,825 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 238 transitions. Word has length 26 [2025-03-04 10:52:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,825 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 238 transitions. [2025-03-04 10:52:28,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 238 transitions. [2025-03-04 10:52:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-04 10:52:28,826 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,826 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:28,831 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 10:52:29,026 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 10:52:29,027 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:29,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1405891565, now seen corresponding path program 1 times [2025-03-04 10:52:29,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:29,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266791468] [2025-03-04 10:52:29,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:29,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 10:52:29,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 10:52:29,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:29,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:29,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454518929] [2025-03-04 10:52:29,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:29,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:29,052 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 10:52:29,053 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 10:52:29,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 10:52:29,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 10:52:29,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:29,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:29,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:29,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:29,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:29,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266791468] [2025-03-04 10:52:29,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454518929] [2025-03-04 10:52:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454518929] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:29,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:29,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:52:29,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462353104] [2025-03-04 10:52:29,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:29,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:29,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:29,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:29,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:29,113 INFO L87 Difference]: Start difference. First operand 196 states and 238 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:29,251 INFO L93 Difference]: Finished difference Result 251 states and 266 transitions. [2025-03-04 10:52:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:29,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-03-04 10:52:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:29,254 INFO L225 Difference]: With dead ends: 251 [2025-03-04 10:52:29,254 INFO L226 Difference]: Without dead ends: 249 [2025-03-04 10:52:29,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:29,254 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 225 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:29,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 257 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-04 10:52:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 196. [2025-03-04 10:52:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5517241379310345) internal successors, (225), 188 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 235 transitions. [2025-03-04 10:52:29,262 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 235 transitions. Word has length 27 [2025-03-04 10:52:29,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:29,262 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 235 transitions. [2025-03-04 10:52:29,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 235 transitions. [2025-03-04 10:52:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 10:52:29,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:29,263 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:29,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:29,464 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 10:52:29,464 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:29,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash -632965489, now seen corresponding path program 1 times [2025-03-04 10:52:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:29,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037579656] [2025-03-04 10:52:29,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:29,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:29,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 10:52:29,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 10:52:29,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:29,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445862752] [2025-03-04 10:52:29,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:29,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:29,481 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 10:52:29,482 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 10:52:29,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 10:52:29,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 10:52:29,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:29,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:29,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:29,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:29,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:29,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:29,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037579656] [2025-03-04 10:52:29,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:29,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445862752] [2025-03-04 10:52:29,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445862752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:29,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:29,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:52:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946912405] [2025-03-04 10:52:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:29,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:29,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:29,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:29,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:29,605 INFO L87 Difference]: Start difference. First operand 196 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:29,855 INFO L93 Difference]: Finished difference Result 246 states and 293 transitions. [2025-03-04 10:52:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:29,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-03-04 10:52:29,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:29,856 INFO L225 Difference]: With dead ends: 246 [2025-03-04 10:52:29,856 INFO L226 Difference]: Without dead ends: 244 [2025-03-04 10:52:29,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:52:29,857 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 242 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:29,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 211 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:29,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-03-04 10:52:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 198. [2025-03-04 10:52:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 190 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 236 transitions. [2025-03-04 10:52:29,862 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 236 transitions. Word has length 28 [2025-03-04 10:52:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:29,862 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 236 transitions. [2025-03-04 10:52:29,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 236 transitions. [2025-03-04 10:52:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-04 10:52:29,863 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:29,863 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:29,868 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 10:52:30,068 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 10:52:30,068 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:30,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:30,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1852906385, now seen corresponding path program 1 times [2025-03-04 10:52:30,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:30,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106380755] [2025-03-04 10:52:30,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:30,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 10:52:30,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 10:52:30,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:30,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:30,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106380755] [2025-03-04 10:52:30,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106380755] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:30,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483627118] [2025-03-04 10:52:30,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:30,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:30,157 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 10:52:30,158 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 10:52:30,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 10:52:30,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 10:52:30,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:30,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:30,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:30,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483627118] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:30,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:30,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-04 10:52:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557738544] [2025-03-04 10:52:30,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:30,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:30,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:30,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:30,288 INFO L87 Difference]: Start difference. First operand 198 states and 236 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:30,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:30,493 INFO L93 Difference]: Finished difference Result 246 states and 291 transitions. [2025-03-04 10:52:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:30,494 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-03-04 10:52:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:30,495 INFO L225 Difference]: With dead ends: 246 [2025-03-04 10:52:30,495 INFO L226 Difference]: Without dead ends: 244 [2025-03-04 10:52:30,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:30,496 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 241 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:30,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 191 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-03-04 10:52:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 199. [2025-03-04 10:52:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.527027027027027) internal successors, (226), 191 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 236 transitions. [2025-03-04 10:52:30,504 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 236 transitions. Word has length 29 [2025-03-04 10:52:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:30,504 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 236 transitions. [2025-03-04 10:52:30,504 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2025-03-04 10:52:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-04 10:52:30,505 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:30,506 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:30,513 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 10:52:30,706 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 10:52:30,706 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:30,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1014488843, now seen corresponding path program 1 times [2025-03-04 10:52:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750593078] [2025-03-04 10:52:30,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:30,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 10:52:30,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 10:52:30,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:30,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:30,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750593078] [2025-03-04 10:52:30,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750593078] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:30,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:30,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:52:30,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525073300] [2025-03-04 10:52:30,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:30,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:30,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:30,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:30,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:30,761 INFO L87 Difference]: Start difference. First operand 199 states and 236 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:30,912 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2025-03-04 10:52:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:52:30,912 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-03-04 10:52:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:30,913 INFO L225 Difference]: With dead ends: 199 [2025-03-04 10:52:30,913 INFO L226 Difference]: Without dead ends: 197 [2025-03-04 10:52:30,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:30,914 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 117 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:30,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 200 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2025-03-04 10:52:30,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2025-03-04 10:52:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 148 states have (on average 1.4932432432432432) internal successors, (221), 189 states have internal predecessors, (221), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 231 transitions. [2025-03-04 10:52:30,919 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 231 transitions. Word has length 32 [2025-03-04 10:52:30,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:30,919 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 231 transitions. [2025-03-04 10:52:30,919 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 231 transitions. [2025-03-04 10:52:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-04 10:52:30,920 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:30,920 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:30,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 10:52:30,920 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:30,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1384383117, now seen corresponding path program 1 times [2025-03-04 10:52:30,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497740205] [2025-03-04 10:52:30,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:30,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 10:52:30,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 10:52:30,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:30,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332004460] [2025-03-04 10:52:30,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:30,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:30,929 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 10:52:30,930 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 10:52:30,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 10:52:30,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 10:52:30,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:52:30,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:31,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:31,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497740205] [2025-03-04 10:52:31,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332004460] [2025-03-04 10:52:31,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332004460] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:31,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:31,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 10:52:31,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617864002] [2025-03-04 10:52:31,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:31,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:52:31,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:31,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:52:31,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:31,097 INFO L87 Difference]: Start difference. First operand 197 states and 231 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:31,338 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2025-03-04 10:52:31,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:52:31,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2025-03-04 10:52:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:31,340 INFO L225 Difference]: With dead ends: 238 [2025-03-04 10:52:31,340 INFO L226 Difference]: Without dead ends: 236 [2025-03-04 10:52:31,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:31,341 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 285 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:31,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 123 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:31,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-04 10:52:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 201. [2025-03-04 10:52:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 152 states have (on average 1.4736842105263157) internal successors, (224), 193 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 234 transitions. [2025-03-04 10:52:31,348 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 234 transitions. Word has length 33 [2025-03-04 10:52:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:31,348 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 234 transitions. [2025-03-04 10:52:31,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 234 transitions. [2025-03-04 10:52:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-04 10:52:31,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:31,349 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:31,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:31,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 10:52:31,554 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:31,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:31,554 INFO L85 PathProgramCache]: Analyzing trace with hash -33796279, now seen corresponding path program 1 times [2025-03-04 10:52:31,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:31,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829596549] [2025-03-04 10:52:31,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:31,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 10:52:31,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 10:52:31,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:31,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829596549] [2025-03-04 10:52:31,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829596549] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:31,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:31,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:31,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220881759] [2025-03-04 10:52:31,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:31,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:31,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:31,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:31,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:31,585 INFO L87 Difference]: Start difference. First operand 201 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:31,770 INFO L93 Difference]: Finished difference Result 220 states and 259 transitions. [2025-03-04 10:52:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:31,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2025-03-04 10:52:31,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:31,771 INFO L225 Difference]: With dead ends: 220 [2025-03-04 10:52:31,772 INFO L226 Difference]: Without dead ends: 218 [2025-03-04 10:52:31,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:31,772 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:31,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 146 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-04 10:52:31,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 202. [2025-03-04 10:52:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 194 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 234 transitions. [2025-03-04 10:52:31,779 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 234 transitions. Word has length 34 [2025-03-04 10:52:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:31,779 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 234 transitions. [2025-03-04 10:52:31,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 234 transitions. [2025-03-04 10:52:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-04 10:52:31,780 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:31,780 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:31,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 10:52:31,780 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:31,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:31,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1047684597, now seen corresponding path program 1 times [2025-03-04 10:52:31,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:31,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817918080] [2025-03-04 10:52:31,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:31,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 10:52:31,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 10:52:31,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:31,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817918080] [2025-03-04 10:52:31,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817918080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:31,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:31,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:31,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714259700] [2025-03-04 10:52:31,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:31,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:31,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:31,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:31,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:31,831 INFO L87 Difference]: Start difference. First operand 202 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:32,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,021 INFO L93 Difference]: Finished difference Result 220 states and 257 transitions. [2025-03-04 10:52:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:32,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2025-03-04 10:52:32,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,022 INFO L225 Difference]: With dead ends: 220 [2025-03-04 10:52:32,022 INFO L226 Difference]: Without dead ends: 218 [2025-03-04 10:52:32,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:32,023 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 159 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-04 10:52:32,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 203. [2025-03-04 10:52:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4545454545454546) internal successors, (224), 195 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 234 transitions. [2025-03-04 10:52:32,028 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 234 transitions. Word has length 35 [2025-03-04 10:52:32,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,029 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 234 transitions. [2025-03-04 10:52:32,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 10:52:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 234 transitions. [2025-03-04 10:52:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:52:32,029 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,029 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 10:52:32,030 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2053735469, now seen corresponding path program 1 times [2025-03-04 10:52:32,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023912076] [2025-03-04 10:52:32,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:52:32,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:52:32,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:32,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:32,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023912076] [2025-03-04 10:52:32,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023912076] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:32,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:32,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:52:32,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176014808] [2025-03-04 10:52:32,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:32,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:32,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:32,074 INFO L87 Difference]: Start difference. First operand 203 states and 234 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:32,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,265 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2025-03-04 10:52:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:32,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2025-03-04 10:52:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,266 INFO L225 Difference]: With dead ends: 220 [2025-03-04 10:52:32,266 INFO L226 Difference]: Without dead ends: 218 [2025-03-04 10:52:32,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:32,266 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 304 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 128 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:32,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-04 10:52:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 212. [2025-03-04 10:52:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 163 states have (on average 1.4355828220858895) internal successors, (234), 204 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2025-03-04 10:52:32,273 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 45 [2025-03-04 10:52:32,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,273 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2025-03-04 10:52:32,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2025-03-04 10:52:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 10:52:32,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,274 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 10:52:32,275 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,275 INFO L85 PathProgramCache]: Analyzing trace with hash 758709924, now seen corresponding path program 1 times [2025-03-04 10:52:32,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238019066] [2025-03-04 10:52:32,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 10:52:32,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 10:52:32,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238019066] [2025-03-04 10:52:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238019066] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:32,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:32,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871311657] [2025-03-04 10:52:32,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:32,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:32,324 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,396 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2025-03-04 10:52:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:32,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2025-03-04 10:52:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,397 INFO L225 Difference]: With dead ends: 212 [2025-03-04 10:52:32,397 INFO L226 Difference]: Without dead ends: 211 [2025-03-04 10:52:32,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:32,398 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 65 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 149 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-03-04 10:52:32,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2025-03-04 10:52:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.4233128834355828) internal successors, (232), 203 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 242 transitions. [2025-03-04 10:52:32,404 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 242 transitions. Word has length 46 [2025-03-04 10:52:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,404 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 242 transitions. [2025-03-04 10:52:32,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 242 transitions. [2025-03-04 10:52:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:52:32,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 10:52:32,405 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1024202654, now seen corresponding path program 1 times [2025-03-04 10:52:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162921424] [2025-03-04 10:52:32,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:52:32,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:52:32,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:32,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162921424] [2025-03-04 10:52:32,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162921424] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:32,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:32,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:32,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279001752] [2025-03-04 10:52:32,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:32,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:32,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:32,471 INFO L87 Difference]: Start difference. First operand 211 states and 242 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,552 INFO L93 Difference]: Finished difference Result 226 states and 259 transitions. [2025-03-04 10:52:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:32,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2025-03-04 10:52:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,553 INFO L225 Difference]: With dead ends: 226 [2025-03-04 10:52:32,553 INFO L226 Difference]: Without dead ends: 224 [2025-03-04 10:52:32,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:32,554 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 310 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-03-04 10:52:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2025-03-04 10:52:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 173 states have (on average 1.416184971098266) internal successors, (245), 213 states have internal predecessors, (245), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 255 transitions. [2025-03-04 10:52:32,560 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 255 transitions. Word has length 48 [2025-03-04 10:52:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,560 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 255 transitions. [2025-03-04 10:52:32,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 255 transitions. [2025-03-04 10:52:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:52:32,561 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,561 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 10:52:32,561 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,561 INFO L85 PathProgramCache]: Analyzing trace with hash 336636291, now seen corresponding path program 1 times [2025-03-04 10:52:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507446696] [2025-03-04 10:52:32,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:52:32,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:52:32,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:32,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:32,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507446696] [2025-03-04 10:52:32,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507446696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:32,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:32,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:52:32,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628154493] [2025-03-04 10:52:32,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:32,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:32,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:32,608 INFO L87 Difference]: Start difference. First operand 221 states and 255 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:32,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,749 INFO L93 Difference]: Finished difference Result 222 states and 255 transitions. [2025-03-04 10:52:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:32,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 48 [2025-03-04 10:52:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,750 INFO L225 Difference]: With dead ends: 222 [2025-03-04 10:52:32,750 INFO L226 Difference]: Without dead ends: 221 [2025-03-04 10:52:32,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:32,751 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 169 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:32,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-03-04 10:52:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-03-04 10:52:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 173 states have (on average 1.4104046242774566) internal successors, (244), 213 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 254 transitions. [2025-03-04 10:52:32,757 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 254 transitions. Word has length 48 [2025-03-04 10:52:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,757 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 254 transitions. [2025-03-04 10:52:32,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 254 transitions. [2025-03-04 10:52:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-04 10:52:32,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,758 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 10:52:32,758 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1845790462, now seen corresponding path program 1 times [2025-03-04 10:52:32,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273626225] [2025-03-04 10:52:32,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-04 10:52:32,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-04 10:52:32,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:32,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:32,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273626225] [2025-03-04 10:52:32,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273626225] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:32,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:32,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:32,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612061982] [2025-03-04 10:52:32,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:32,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:32,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:32,791 INFO L87 Difference]: Start difference. First operand 221 states and 254 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,851 INFO L93 Difference]: Finished difference Result 258 states and 269 transitions. [2025-03-04 10:52:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:32,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-03-04 10:52:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,853 INFO L225 Difference]: With dead ends: 258 [2025-03-04 10:52:32,853 INFO L226 Difference]: Without dead ends: 256 [2025-03-04 10:52:32,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:32,853 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 56 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 337 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:32,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-03-04 10:52:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2025-03-04 10:52:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.3922651933701657) internal successors, (252), 221 states have internal predecessors, (252), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 262 transitions. [2025-03-04 10:52:32,868 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 262 transitions. Word has length 49 [2025-03-04 10:52:32,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,868 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 262 transitions. [2025-03-04 10:52:32,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 262 transitions. [2025-03-04 10:52:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-04 10:52:32,869 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,869 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 10:52:32,869 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:32,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash -711239066, now seen corresponding path program 1 times [2025-03-04 10:52:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:32,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999196512] [2025-03-04 10:52:32,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:32,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 10:52:32,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 10:52:32,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960632196] [2025-03-04 10:52:32,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:32,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:32,886 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 10:52:32,888 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 10:52:32,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 10:52:32,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 10:52:32,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:32,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:32,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:52:32,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:33,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999196512] [2025-03-04 10:52:33,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960632196] [2025-03-04 10:52:33,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960632196] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:33,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:33,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 10:52:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842667563] [2025-03-04 10:52:33,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:33,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:33,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:33,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:33,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:33,058 INFO L87 Difference]: Start difference. First operand 229 states and 262 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:33,240 INFO L93 Difference]: Finished difference Result 229 states and 262 transitions. [2025-03-04 10:52:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:33,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2025-03-04 10:52:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:33,241 INFO L225 Difference]: With dead ends: 229 [2025-03-04 10:52:33,241 INFO L226 Difference]: Without dead ends: 226 [2025-03-04 10:52:33,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:33,241 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 105 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:33,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 339 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:33,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-04 10:52:33,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2025-03-04 10:52:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 181 states have (on average 1.3591160220994476) internal successors, (246), 218 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2025-03-04 10:52:33,247 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 50 [2025-03-04 10:52:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:33,247 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2025-03-04 10:52:33,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2025-03-04 10:52:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 10:52:33,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:33,248 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:33,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:33,448 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,SelfDestructingSolverStorable24 [2025-03-04 10:52:33,449 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:33,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash -573574482, now seen corresponding path program 1 times [2025-03-04 10:52:33,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:33,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136186611] [2025-03-04 10:52:33,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:33,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:52:33,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:52:33,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421225767] [2025-03-04 10:52:33,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:33,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:33,460 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 10:52:33,462 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 10:52:33,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:52:33,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:52:33,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:33,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:33,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:33,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:33,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:33,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136186611] [2025-03-04 10:52:33,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:33,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421225767] [2025-03-04 10:52:33,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421225767] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:33,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:33,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:52:33,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968035171] [2025-03-04 10:52:33,988 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:33,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:33,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:33,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:33,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:52:33,989 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:34,342 INFO L93 Difference]: Finished difference Result 278 states and 316 transitions. [2025-03-04 10:52:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:52:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2025-03-04 10:52:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:34,343 INFO L225 Difference]: With dead ends: 278 [2025-03-04 10:52:34,343 INFO L226 Difference]: Without dead ends: 252 [2025-03-04 10:52:34,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:34,344 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 357 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:34,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 376 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-04 10:52:34,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 232. [2025-03-04 10:52:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.39247311827957) internal successors, (259), 223 states have internal predecessors, (259), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 271 transitions. [2025-03-04 10:52:34,350 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 271 transitions. Word has length 51 [2025-03-04 10:52:34,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:34,350 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 271 transitions. [2025-03-04 10:52:34,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 271 transitions. [2025-03-04 10:52:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-04 10:52:34,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:34,351 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:34,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-04 10:52:34,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:34,555 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:34,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1977408414, now seen corresponding path program 1 times [2025-03-04 10:52:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025439785] [2025-03-04 10:52:34,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:34,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:52:34,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:52:34,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:34,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:34,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166483538] [2025-03-04 10:52:34,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:34,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:34,567 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:34,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:52:34,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:52:34,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:52:34,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:34,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:34,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:34,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:34,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:34,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:34,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025439785] [2025-03-04 10:52:34,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:34,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166483538] [2025-03-04 10:52:34,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166483538] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:34,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:34,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-04 10:52:34,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738909892] [2025-03-04 10:52:34,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:34,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 10:52:34,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:34,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 10:52:34,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:34,856 INFO L87 Difference]: Start difference. First operand 232 states and 271 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-04 10:52:35,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:35,365 INFO L93 Difference]: Finished difference Result 351 states and 420 transitions. [2025-03-04 10:52:35,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:35,366 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2025-03-04 10:52:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:35,367 INFO L225 Difference]: With dead ends: 351 [2025-03-04 10:52:35,367 INFO L226 Difference]: Without dead ends: 345 [2025-03-04 10:52:35,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:35,369 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 637 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:35,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 260 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:35,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-04 10:52:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 258. [2025-03-04 10:52:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 213 states have (on average 1.380281690140845) internal successors, (294), 248 states have internal predecessors, (294), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:52:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 308 transitions. [2025-03-04 10:52:35,381 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 308 transitions. Word has length 54 [2025-03-04 10:52:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:35,382 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 308 transitions. [2025-03-04 10:52:35,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-04 10:52:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 308 transitions. [2025-03-04 10:52:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:52:35,383 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:35,383 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:35,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:35,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-04 10:52:35,584 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:35,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:35,584 INFO L85 PathProgramCache]: Analyzing trace with hash 49437665, now seen corresponding path program 1 times [2025-03-04 10:52:35,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:35,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585852603] [2025-03-04 10:52:35,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:35,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:52:35,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:52:35,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:35,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:35,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58538359] [2025-03-04 10:52:35,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:35,605 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:35,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:52:35,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:52:35,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:52:35,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:35,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:35,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:52:35,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:35,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:35,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:35,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585852603] [2025-03-04 10:52:35,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:35,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58538359] [2025-03-04 10:52:35,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58538359] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:35,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:35,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:52:35,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139864794] [2025-03-04 10:52:35,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:35,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:35,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:35,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:35,871 INFO L87 Difference]: Start difference. First operand 258 states and 308 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:36,108 INFO L93 Difference]: Finished difference Result 268 states and 311 transitions. [2025-03-04 10:52:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2025-03-04 10:52:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:36,109 INFO L225 Difference]: With dead ends: 268 [2025-03-04 10:52:36,109 INFO L226 Difference]: Without dead ends: 264 [2025-03-04 10:52:36,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:36,110 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 148 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:36,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 349 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:36,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-03-04 10:52:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 254. [2025-03-04 10:52:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 213 states have (on average 1.352112676056338) internal successors, (288), 244 states have internal predecessors, (288), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:52:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 302 transitions. [2025-03-04 10:52:36,117 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 302 transitions. Word has length 56 [2025-03-04 10:52:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:36,117 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 302 transitions. [2025-03-04 10:52:36,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 302 transitions. [2025-03-04 10:52:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:52:36,118 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:36,118 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:36,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-04 10:52:36,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-04 10:52:36,319 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:36,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:36,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1532567695, now seen corresponding path program 1 times [2025-03-04 10:52:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:36,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401344093] [2025-03-04 10:52:36,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:36,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:52:36,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:52:36,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:36,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:36,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200849513] [2025-03-04 10:52:36,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:36,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:36,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:36,331 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:36,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:52:36,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:52:36,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:52:36,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:36,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:36,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:52:36,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:36,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:36,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401344093] [2025-03-04 10:52:36,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200849513] [2025-03-04 10:52:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200849513] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:36,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:52:36,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873218631] [2025-03-04 10:52:36,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:36,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:52:36,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:36,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:52:36,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:36,749 INFO L87 Difference]: Start difference. First operand 254 states and 302 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:36,985 INFO L93 Difference]: Finished difference Result 336 states and 394 transitions. [2025-03-04 10:52:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:52:36,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2025-03-04 10:52:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:36,987 INFO L225 Difference]: With dead ends: 336 [2025-03-04 10:52:36,987 INFO L226 Difference]: Without dead ends: 334 [2025-03-04 10:52:36,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:36,987 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 272 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:36,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 362 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-04 10:52:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 292. [2025-03-04 10:52:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 250 states have (on average 1.384) internal successors, (346), 281 states have internal predecessors, (346), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 362 transitions. [2025-03-04 10:52:37,003 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 362 transitions. Word has length 57 [2025-03-04 10:52:37,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:37,003 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 362 transitions. [2025-03-04 10:52:37,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2025-03-04 10:52:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:52:37,004 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:37,004 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:37,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-04 10:52:37,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 10:52:37,205 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1048981922, now seen corresponding path program 1 times [2025-03-04 10:52:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:37,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804742764] [2025-03-04 10:52:37,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:37,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:52:37,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:52:37,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:37,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717400885] [2025-03-04 10:52:37,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:37,218 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:37,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:52:37,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:52:37,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:52:37,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:37,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:37,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:37,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:37,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804742764] [2025-03-04 10:52:37,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:37,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717400885] [2025-03-04 10:52:37,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717400885] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:37,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:37,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:52:37,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863644656] [2025-03-04 10:52:37,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:37,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:37,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:37,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:37,357 INFO L87 Difference]: Start difference. First operand 292 states and 362 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:37,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:37,535 INFO L93 Difference]: Finished difference Result 333 states and 389 transitions. [2025-03-04 10:52:37,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:37,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2025-03-04 10:52:37,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:37,539 INFO L225 Difference]: With dead ends: 333 [2025-03-04 10:52:37,539 INFO L226 Difference]: Without dead ends: 331 [2025-03-04 10:52:37,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:37,539 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 163 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:37,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 298 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:37,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-03-04 10:52:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 292. [2025-03-04 10:52:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 250 states have (on average 1.372) internal successors, (343), 281 states have internal predecessors, (343), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 359 transitions. [2025-03-04 10:52:37,549 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 359 transitions. Word has length 58 [2025-03-04 10:52:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:37,549 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 359 transitions. [2025-03-04 10:52:37,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 359 transitions. [2025-03-04 10:52:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 10:52:37,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:37,550 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:37,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:37,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:37,754 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:37,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:37,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1245689692, now seen corresponding path program 1 times [2025-03-04 10:52:37,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:37,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587143637] [2025-03-04 10:52:37,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:37,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:52:37,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:52:37,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:37,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663903084] [2025-03-04 10:52:37,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:37,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:37,770 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:37,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:52:37,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:52:37,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:52:37,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:37,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-04 10:52:37,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:37,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:38,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:38,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587143637] [2025-03-04 10:52:38,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:38,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663903084] [2025-03-04 10:52:38,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663903084] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:38,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:38,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-03-04 10:52:38,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209675323] [2025-03-04 10:52:38,144 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:38,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:52:38,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:38,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:52:38,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:38,145 INFO L87 Difference]: Start difference. First operand 292 states and 359 transitions. Second operand has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:39,106 INFO L93 Difference]: Finished difference Result 338 states and 412 transitions. [2025-03-04 10:52:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 10:52:39,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2025-03-04 10:52:39,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:39,107 INFO L225 Difference]: With dead ends: 338 [2025-03-04 10:52:39,107 INFO L226 Difference]: Without dead ends: 336 [2025-03-04 10:52:39,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:39,108 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 416 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:39,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 298 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:52:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-04 10:52:39,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 297. [2025-03-04 10:52:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 255 states have (on average 1.3607843137254902) internal successors, (347), 286 states have internal predecessors, (347), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 363 transitions. [2025-03-04 10:52:39,117 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 363 transitions. Word has length 60 [2025-03-04 10:52:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:39,117 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 363 transitions. [2025-03-04 10:52:39,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 363 transitions. [2025-03-04 10:52:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 10:52:39,118 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:39,118 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:39,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:39,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,319 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:39,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:39,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1221922653, now seen corresponding path program 1 times [2025-03-04 10:52:39,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:39,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037135587] [2025-03-04 10:52:39,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:39,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:52:39,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:52:39,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:39,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960880190] [2025-03-04 10:52:39,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:39,329 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:39,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:52:39,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:52:39,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:52:39,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:39,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:52:39,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:39,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:39,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:39,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037135587] [2025-03-04 10:52:39,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:39,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960880190] [2025-03-04 10:52:39,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960880190] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:39,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:39,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-04 10:52:39,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277857631] [2025-03-04 10:52:39,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:39,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:52:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:39,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:52:39,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:39,625 INFO L87 Difference]: Start difference. First operand 297 states and 363 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:39,983 INFO L93 Difference]: Finished difference Result 315 states and 381 transitions. [2025-03-04 10:52:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:52:39,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2025-03-04 10:52:39,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:39,984 INFO L225 Difference]: With dead ends: 315 [2025-03-04 10:52:39,985 INFO L226 Difference]: Without dead ends: 313 [2025-03-04 10:52:39,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:39,985 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:39,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 292 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:39,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-03-04 10:52:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2025-03-04 10:52:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 255 states have (on average 1.3411764705882352) internal successors, (342), 284 states have internal predecessors, (342), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2025-03-04 10:52:39,997 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 60 [2025-03-04 10:52:39,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:39,997 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2025-03-04 10:52:39,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2025-03-04 10:52:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-04 10:52:39,997 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:39,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:40,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:40,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-04 10:52:40,198 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:40,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash -38325148, now seen corresponding path program 1 times [2025-03-04 10:52:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:40,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580057840] [2025-03-04 10:52:40,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:40,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:40,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-04 10:52:40,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-04 10:52:40,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:40,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:40,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:40,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580057840] [2025-03-04 10:52:40,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580057840] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:40,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600290895] [2025-03-04 10:52:40,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:40,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:40,247 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:40,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:52:40,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-04 10:52:40,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-04 10:52:40,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:40,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:40,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:40,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:40,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:40,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600290895] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:40,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:40,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-04 10:52:40,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676460718] [2025-03-04 10:52:40,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:40,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:40,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:40,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:40,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:40,383 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:52:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:40,602 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2025-03-04 10:52:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:40,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2025-03-04 10:52:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:40,603 INFO L225 Difference]: With dead ends: 295 [2025-03-04 10:52:40,603 INFO L226 Difference]: Without dead ends: 293 [2025-03-04 10:52:40,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:52:40,603 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 171 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:40,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 285 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-03-04 10:52:40,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-03-04 10:52:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 255 states have (on average 1.3137254901960784) internal successors, (335), 282 states have internal predecessors, (335), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 351 transitions. [2025-03-04 10:52:40,613 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 351 transitions. Word has length 61 [2025-03-04 10:52:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:40,613 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 351 transitions. [2025-03-04 10:52:40,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:52:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 351 transitions. [2025-03-04 10:52:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-04 10:52:40,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:40,614 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:40,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-04 10:52:40,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-04 10:52:40,814 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:40,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash -775103349, now seen corresponding path program 1 times [2025-03-04 10:52:40,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:40,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621732602] [2025-03-04 10:52:40,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:40,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-04 10:52:40,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-04 10:52:40,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:40,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:40,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869985134] [2025-03-04 10:52:40,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:40,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:40,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:40,832 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:40,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:52:40,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-04 10:52:40,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-04 10:52:40,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:40,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:40,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:52:40,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:41,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:41,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:41,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621732602] [2025-03-04 10:52:41,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:41,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869985134] [2025-03-04 10:52:41,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869985134] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:41,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:41,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-04 10:52:41,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869795081] [2025-03-04 10:52:41,316 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:41,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 10:52:41,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:41,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 10:52:41,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:41,317 INFO L87 Difference]: Start difference. First operand 293 states and 351 transitions. Second operand has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:42,091 INFO L93 Difference]: Finished difference Result 425 states and 477 transitions. [2025-03-04 10:52:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:52:42,091 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 61 [2025-03-04 10:52:42,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:42,093 INFO L225 Difference]: With dead ends: 425 [2025-03-04 10:52:42,093 INFO L226 Difference]: Without dead ends: 423 [2025-03-04 10:52:42,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2025-03-04 10:52:42,093 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 905 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:42,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 508 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-03-04 10:52:42,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 329. [2025-03-04 10:52:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 290 states have (on average 1.3206896551724139) internal successors, (383), 317 states have internal predecessors, (383), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 401 transitions. [2025-03-04 10:52:42,104 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 401 transitions. Word has length 61 [2025-03-04 10:52:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:42,104 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 401 transitions. [2025-03-04 10:52:42,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 401 transitions. [2025-03-04 10:52:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-04 10:52:42,105 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:42,105 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:42,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 10:52:42,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:42,309 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:42,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:42,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1741600027, now seen corresponding path program 1 times [2025-03-04 10:52:42,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:42,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965815800] [2025-03-04 10:52:42,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:42,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:52:42,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:52:42,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:42,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:42,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259179264] [2025-03-04 10:52:42,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:42,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:42,319 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:42,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:52:42,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:52:42,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:52:42,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:42,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:42,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-04 10:52:42,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:42,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:42,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965815800] [2025-03-04 10:52:42,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259179264] [2025-03-04 10:52:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259179264] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:42,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2025-03-04 10:52:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981386423] [2025-03-04 10:52:42,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:42,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-04 10:52:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:42,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-04 10:52:42,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2025-03-04 10:52:42,999 INFO L87 Difference]: Start difference. First operand 329 states and 401 transitions. Second operand has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:44,832 INFO L93 Difference]: Finished difference Result 515 states and 641 transitions. [2025-03-04 10:52:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-04 10:52:44,833 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2025-03-04 10:52:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:44,834 INFO L225 Difference]: With dead ends: 515 [2025-03-04 10:52:44,834 INFO L226 Difference]: Without dead ends: 511 [2025-03-04 10:52:44,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2025-03-04 10:52:44,835 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 575 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 2141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:44,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 353 Invalid, 2141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:52:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-03-04 10:52:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 369. [2025-03-04 10:52:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 330 states have (on average 1.309090909090909) internal successors, (432), 357 states have internal predecessors, (432), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 450 transitions. [2025-03-04 10:52:44,854 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 450 transitions. Word has length 62 [2025-03-04 10:52:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:44,854 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 450 transitions. [2025-03-04 10:52:44,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 450 transitions. [2025-03-04 10:52:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-04 10:52:44,855 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:44,855 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:44,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-04 10:52:45,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:45,055 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:45,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1844973943, now seen corresponding path program 1 times [2025-03-04 10:52:45,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:45,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134853939] [2025-03-04 10:52:45,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:45,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 10:52:45,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 10:52:45,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:45,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300362567] [2025-03-04 10:52:45,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:45,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:45,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:45,067 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:45,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:52:45,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 10:52:45,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 10:52:45,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:45,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:45,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:45,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:45,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:45,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134853939] [2025-03-04 10:52:45,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300362567] [2025-03-04 10:52:45,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300362567] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:45,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:45,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-04 10:52:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482351055] [2025-03-04 10:52:45,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:45,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:52:45,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:45,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:52:45,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:52:45,578 INFO L87 Difference]: Start difference. First operand 369 states and 450 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:46,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:46,019 INFO L93 Difference]: Finished difference Result 395 states and 469 transitions. [2025-03-04 10:52:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:46,019 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 63 [2025-03-04 10:52:46,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:46,021 INFO L225 Difference]: With dead ends: 395 [2025-03-04 10:52:46,021 INFO L226 Difference]: Without dead ends: 391 [2025-03-04 10:52:46,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2025-03-04 10:52:46,022 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 275 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:46,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 332 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-03-04 10:52:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 376. [2025-03-04 10:52:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 337 states have (on average 1.2997032640949555) internal successors, (438), 364 states have internal predecessors, (438), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 456 transitions. [2025-03-04 10:52:46,034 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 456 transitions. Word has length 63 [2025-03-04 10:52:46,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:46,034 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 456 transitions. [2025-03-04 10:52:46,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 456 transitions. [2025-03-04 10:52:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 10:52:46,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:46,035 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:46,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-04 10:52:46,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-04 10:52:46,236 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:46,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 748386784, now seen corresponding path program 1 times [2025-03-04 10:52:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138497544] [2025-03-04 10:52:46,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:46,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 10:52:46,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 10:52:46,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:46,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:46,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:46,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138497544] [2025-03-04 10:52:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138497544] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042543040] [2025-03-04 10:52:46,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:46,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:46,294 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:46,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:52:46,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 10:52:46,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 10:52:46,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:46,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:46,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:46,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:46,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:46,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042543040] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:46,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:46,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:52:46,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677738069] [2025-03-04 10:52:46,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:46,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:52:46,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:46,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:52:46,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:52:46,478 INFO L87 Difference]: Start difference. First operand 376 states and 456 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:46,772 INFO L93 Difference]: Finished difference Result 532 states and 667 transitions. [2025-03-04 10:52:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:52:46,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 65 [2025-03-04 10:52:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:46,774 INFO L225 Difference]: With dead ends: 532 [2025-03-04 10:52:46,774 INFO L226 Difference]: Without dead ends: 530 [2025-03-04 10:52:46,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:52:46,774 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 201 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:46,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 330 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:46,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-03-04 10:52:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 500. [2025-03-04 10:52:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 458 states have (on average 1.334061135371179) internal successors, (611), 485 states have internal predecessors, (611), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-04 10:52:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 635 transitions. [2025-03-04 10:52:46,804 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 635 transitions. Word has length 65 [2025-03-04 10:52:46,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:46,805 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 635 transitions. [2025-03-04 10:52:46,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 635 transitions. [2025-03-04 10:52:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 10:52:46,805 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:46,805 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:46,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:47,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-04 10:52:47,006 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:47,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:47,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1725153878, now seen corresponding path program 1 times [2025-03-04 10:52:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:47,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196271420] [2025-03-04 10:52:47,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:47,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:52:47,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:52:47,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:47,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:47,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:47,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196271420] [2025-03-04 10:52:47,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196271420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:47,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:47,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:52:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449683492] [2025-03-04 10:52:47,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:47,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:47,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:47,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:52:47,045 INFO L87 Difference]: Start difference. First operand 500 states and 635 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 10:52:47,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:47,244 INFO L93 Difference]: Finished difference Result 734 states and 953 transitions. [2025-03-04 10:52:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:52:47,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 66 [2025-03-04 10:52:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:47,247 INFO L225 Difference]: With dead ends: 734 [2025-03-04 10:52:47,247 INFO L226 Difference]: Without dead ends: 732 [2025-03-04 10:52:47,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:47,248 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 82 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:47,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 279 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:47,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-03-04 10:52:47,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 667. [2025-03-04 10:52:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 620 states have (on average 1.3516129032258064) internal successors, (838), 647 states have internal predecessors, (838), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-04 10:52:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 872 transitions. [2025-03-04 10:52:47,271 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 872 transitions. Word has length 66 [2025-03-04 10:52:47,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:47,271 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 872 transitions. [2025-03-04 10:52:47,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 10:52:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 872 transitions. [2025-03-04 10:52:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-04 10:52:47,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:47,272 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:47,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-04 10:52:47,272 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:47,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:47,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1940162718, now seen corresponding path program 1 times [2025-03-04 10:52:47,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:47,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956467474] [2025-03-04 10:52:47,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:47,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:47,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:52:47,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:52:47,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:47,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:47,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:47,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956467474] [2025-03-04 10:52:47,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956467474] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:47,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019884398] [2025-03-04 10:52:47,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:47,388 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:47,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:52:47,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:52:47,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:52:47,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:47,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:47,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:52:47,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:47,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:47,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019884398] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:47,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:47,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2025-03-04 10:52:47,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356223739] [2025-03-04 10:52:47,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:47,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:47,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:47,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:47,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:47,644 INFO L87 Difference]: Start difference. First operand 667 states and 872 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:47,919 INFO L93 Difference]: Finished difference Result 684 states and 887 transitions. [2025-03-04 10:52:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:52:47,919 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2025-03-04 10:52:47,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:47,921 INFO L225 Difference]: With dead ends: 684 [2025-03-04 10:52:47,921 INFO L226 Difference]: Without dead ends: 682 [2025-03-04 10:52:47,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:47,921 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 126 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:47,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 316 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2025-03-04 10:52:47,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 675. [2025-03-04 10:52:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 628 states have (on average 1.3455414012738853) internal successors, (845), 655 states have internal predecessors, (845), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-04 10:52:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 879 transitions. [2025-03-04 10:52:47,944 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 879 transitions. Word has length 67 [2025-03-04 10:52:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:47,944 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 879 transitions. [2025-03-04 10:52:47,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:52:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 879 transitions. [2025-03-04 10:52:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-04 10:52:47,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:47,946 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:47,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:48,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-04 10:52:48,150 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:48,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1802017811, now seen corresponding path program 1 times [2025-03-04 10:52:48,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:48,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686304433] [2025-03-04 10:52:48,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:48,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:48,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 10:52:48,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 10:52:48,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:48,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:48,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1202769301] [2025-03-04 10:52:48,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:48,161 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:48,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:52:48,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 10:52:48,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 10:52:48,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:48,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:48,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 10:52:48,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:48,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:52:48,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:48,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686304433] [2025-03-04 10:52:48,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:48,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202769301] [2025-03-04 10:52:48,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202769301] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:48,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:48,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-04 10:52:48,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678509990] [2025-03-04 10:52:48,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:48,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 10:52:48,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:48,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 10:52:48,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:48,540 INFO L87 Difference]: Start difference. First operand 675 states and 879 transitions. Second operand has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:49,637 INFO L93 Difference]: Finished difference Result 692 states and 895 transitions. [2025-03-04 10:52:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 10:52:49,637 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 70 [2025-03-04 10:52:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:49,639 INFO L225 Difference]: With dead ends: 692 [2025-03-04 10:52:49,639 INFO L226 Difference]: Without dead ends: 689 [2025-03-04 10:52:49,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-03-04 10:52:49,640 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 317 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:49,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 162 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:52:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2025-03-04 10:52:49,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2025-03-04 10:52:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 639 states have (on average 1.3333333333333333) internal successors, (852), 665 states have internal predecessors, (852), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-04 10:52:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 886 transitions. [2025-03-04 10:52:49,669 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 886 transitions. Word has length 70 [2025-03-04 10:52:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 886 transitions. [2025-03-04 10:52:49,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:52:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 886 transitions. [2025-03-04 10:52:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 10:52:49,670 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:49,671 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:49,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-04 10:52:49,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-04 10:52:49,871 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:49,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 833523366, now seen corresponding path program 1 times [2025-03-04 10:52:49,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:49,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830567412] [2025-03-04 10:52:49,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:49,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:52:49,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:52:49,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:49,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:49,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:49,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830567412] [2025-03-04 10:52:49,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830567412] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:49,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106707934] [2025-03-04 10:52:49,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:49,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:49,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:49,922 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:49,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:52:49,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:52:49,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:52:49,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:49,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:49,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:49,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:50,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:50,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106707934] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:50,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:50,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:52:50,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140943042] [2025-03-04 10:52:50,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:50,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:52:50,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:50,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:52:50,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:50,191 INFO L87 Difference]: Start difference. First operand 685 states and 886 transitions. Second operand has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:52:50,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:50,500 INFO L93 Difference]: Finished difference Result 1084 states and 1400 transitions. [2025-03-04 10:52:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:52:50,500 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 77 [2025-03-04 10:52:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:50,503 INFO L225 Difference]: With dead ends: 1084 [2025-03-04 10:52:50,503 INFO L226 Difference]: Without dead ends: 1082 [2025-03-04 10:52:50,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:50,503 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 449 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:50,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 368 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:50,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2025-03-04 10:52:50,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 919. [2025-03-04 10:52:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 866 states have (on average 1.3244803695150116) internal successors, (1147), 891 states have internal predecessors, (1147), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-04 10:52:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1197 transitions. [2025-03-04 10:52:50,550 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1197 transitions. Word has length 77 [2025-03-04 10:52:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:50,551 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1197 transitions. [2025-03-04 10:52:50,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:52:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1197 transitions. [2025-03-04 10:52:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 10:52:50,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:50,551 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:50,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-04 10:52:50,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:50,752 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -645447216, now seen corresponding path program 1 times [2025-03-04 10:52:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749970809] [2025-03-04 10:52:50,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:50,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 10:52:50,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 10:52:50,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:50,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:50,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:50,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749970809] [2025-03-04 10:52:50,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749970809] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:50,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710088937] [2025-03-04 10:52:50,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:50,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:50,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:50,803 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:50,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:52:50,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 10:52:50,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 10:52:50,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:50,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:50,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:50,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:50,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:51,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710088937] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:51,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:51,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-04 10:52:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116497000] [2025-03-04 10:52:51,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:51,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:51,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:51,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:51,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:51,050 INFO L87 Difference]: Start difference. First operand 919 states and 1197 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:51,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:51,496 INFO L93 Difference]: Finished difference Result 1440 states and 1856 transitions. [2025-03-04 10:52:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:52:51,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 80 [2025-03-04 10:52:51,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:51,499 INFO L225 Difference]: With dead ends: 1440 [2025-03-04 10:52:51,500 INFO L226 Difference]: Without dead ends: 1439 [2025-03-04 10:52:51,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:52:51,500 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 358 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:51,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 524 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2025-03-04 10:52:51,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1201. [2025-03-04 10:52:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1139 states have (on average 1.324846356453029) internal successors, (1509), 1164 states have internal predecessors, (1509), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 10:52:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1577 transitions. [2025-03-04 10:52:51,581 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1577 transitions. Word has length 80 [2025-03-04 10:52:51,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:51,581 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1577 transitions. [2025-03-04 10:52:51,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1577 transitions. [2025-03-04 10:52:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:52:51,582 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:51,582 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:51,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-04 10:52:51,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:51,782 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:51,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:51,783 INFO L85 PathProgramCache]: Analyzing trace with hash -2065328829, now seen corresponding path program 1 times [2025-03-04 10:52:51,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:51,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916068925] [2025-03-04 10:52:51,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:51,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:51,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:51,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:51,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:51,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916068925] [2025-03-04 10:52:51,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916068925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968146472] [2025-03-04 10:52:51,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:51,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:51,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:51,833 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:51,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:52:51,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:51,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:51,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:51,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:51,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:51,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:51,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:51,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968146472] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:51,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:51,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:52:51,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456113738] [2025-03-04 10:52:51,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:51,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:52:51,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:51,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:52:51,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:51,982 INFO L87 Difference]: Start difference. First operand 1201 states and 1577 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:52,128 INFO L93 Difference]: Finished difference Result 1522 states and 1982 transitions. [2025-03-04 10:52:52,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:52,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2025-03-04 10:52:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:52,132 INFO L225 Difference]: With dead ends: 1522 [2025-03-04 10:52:52,132 INFO L226 Difference]: Without dead ends: 1521 [2025-03-04 10:52:52,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:52,133 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 69 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:52,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 727 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:52,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2025-03-04 10:52:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1456. [2025-03-04 10:52:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1388 states have (on average 1.3061959654178674) internal successors, (1813), 1413 states have internal predecessors, (1813), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-04 10:52:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1893 transitions. [2025-03-04 10:52:52,198 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1893 transitions. Word has length 81 [2025-03-04 10:52:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:52,198 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 1893 transitions. [2025-03-04 10:52:52,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1893 transitions. [2025-03-04 10:52:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:52:52,199 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:52,199 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:52,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:52,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-04 10:52:52,400 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:52,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash -506111167, now seen corresponding path program 2 times [2025-03-04 10:52:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944986722] [2025-03-04 10:52:52,400 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:52,404 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-04 10:52:52,415 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:52,415 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:52,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:52,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024732449] [2025-03-04 10:52:52,416 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:52,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:52,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:52,421 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:52,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:52:52,443 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-04 10:52:52,459 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:52,459 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:52,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:52,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:52,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:52:52,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:52:53,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944986722] [2025-03-04 10:52:53,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024732449] [2025-03-04 10:52:53,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024732449] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:53,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:53,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-03-04 10:52:53,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809172579] [2025-03-04 10:52:53,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:53,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-04 10:52:53,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:53,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-04 10:52:53,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:52:53,016 INFO L87 Difference]: Start difference. First operand 1456 states and 1893 transitions. Second operand has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:52:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:53,734 INFO L93 Difference]: Finished difference Result 1536 states and 1990 transitions. [2025-03-04 10:52:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 10:52:53,735 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 83 [2025-03-04 10:52:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:53,739 INFO L225 Difference]: With dead ends: 1536 [2025-03-04 10:52:53,739 INFO L226 Difference]: Without dead ends: 1534 [2025-03-04 10:52:53,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:52:53,740 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 451 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:53,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 721 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2025-03-04 10:52:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1477. [2025-03-04 10:52:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1410 states have (on average 1.2858156028368795) internal successors, (1813), 1434 states have internal predecessors, (1813), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-04 10:52:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1893 transitions. [2025-03-04 10:52:53,817 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1893 transitions. Word has length 83 [2025-03-04 10:52:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:53,817 INFO L471 AbstractCegarLoop]: Abstraction has 1477 states and 1893 transitions. [2025-03-04 10:52:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:52:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1893 transitions. [2025-03-04 10:52:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:52:53,818 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:53,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:53,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-04 10:52:54,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:54,018 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:54,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:54,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1624650547, now seen corresponding path program 1 times [2025-03-04 10:52:54,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:54,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787493892] [2025-03-04 10:52:54,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:54,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:54,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:54,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:54,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:54,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:54,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787493892] [2025-03-04 10:52:54,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787493892] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221403795] [2025-03-04 10:52:54,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:54,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:54,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:54,094 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:54,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:52:54,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:54,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:54,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:54,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:54,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:54,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:54,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221403795] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:54,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-04 10:52:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812966626] [2025-03-04 10:52:54,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:54,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:54,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:54,542 INFO L87 Difference]: Start difference. First operand 1477 states and 1893 transitions. Second operand has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:55,149 INFO L93 Difference]: Finished difference Result 1594 states and 2019 transitions. [2025-03-04 10:52:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:52:55,149 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 84 [2025-03-04 10:52:55,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:55,153 INFO L225 Difference]: With dead ends: 1594 [2025-03-04 10:52:55,153 INFO L226 Difference]: Without dead ends: 1593 [2025-03-04 10:52:55,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:55,154 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 618 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:55,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 501 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2025-03-04 10:52:55,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1483. [2025-03-04 10:52:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1416 states have (on average 1.2817796610169492) internal successors, (1815), 1440 states have internal predecessors, (1815), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-04 10:52:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1895 transitions. [2025-03-04 10:52:55,226 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1895 transitions. Word has length 84 [2025-03-04 10:52:55,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:55,226 INFO L471 AbstractCegarLoop]: Abstraction has 1483 states and 1895 transitions. [2025-03-04 10:52:55,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1895 transitions. [2025-03-04 10:52:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:52:55,226 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:55,226 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:55,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:55,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:55,427 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:55,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:55,427 INFO L85 PathProgramCache]: Analyzing trace with hash 387641748, now seen corresponding path program 1 times [2025-03-04 10:52:55,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:55,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690240920] [2025-03-04 10:52:55,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:55,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:55,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:55,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:55,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:55,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:55,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842648649] [2025-03-04 10:52:55,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:55,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:55,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:55,438 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:55,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 10:52:55,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:55,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:55,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:55,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:55,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:52:55,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:55,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:55,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:55,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690240920] [2025-03-04 10:52:55,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:55,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842648649] [2025-03-04 10:52:55,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842648649] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:55,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:55,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:52:55,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767533127] [2025-03-04 10:52:55,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:55,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:52:55,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:55,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:52:55,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:52:55,824 INFO L87 Difference]: Start difference. First operand 1483 states and 1895 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:56,596 INFO L93 Difference]: Finished difference Result 1508 states and 1918 transitions. [2025-03-04 10:52:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:56,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 85 [2025-03-04 10:52:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:56,600 INFO L225 Difference]: With dead ends: 1508 [2025-03-04 10:52:56,600 INFO L226 Difference]: Without dead ends: 1506 [2025-03-04 10:52:56,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:56,602 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 265 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:56,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 517 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2025-03-04 10:52:56,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1499. [2025-03-04 10:52:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1432 states have (on average 1.2793296089385475) internal successors, (1832), 1456 states have internal predecessors, (1832), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-04 10:52:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1912 transitions. [2025-03-04 10:52:56,683 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1912 transitions. Word has length 85 [2025-03-04 10:52:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:56,683 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 1912 transitions. [2025-03-04 10:52:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:52:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1912 transitions. [2025-03-04 10:52:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 10:52:56,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:56,684 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:56,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-04 10:52:56,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-04 10:52:56,885 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:56,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2078921131, now seen corresponding path program 1 times [2025-03-04 10:52:56,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:56,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442057909] [2025-03-04 10:52:56,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:56,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:52:56,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:52:56,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:56,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:56,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442057909] [2025-03-04 10:52:56,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442057909] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:56,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843689075] [2025-03-04 10:52:56,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:56,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:56,935 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:56,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 10:52:56,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:52:56,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:52:56,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:56,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:56,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:57,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:52:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843689075] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:57,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:52:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458675885] [2025-03-04 10:52:57,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:57,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:52:57,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:57,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:52:57,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:57,103 INFO L87 Difference]: Start difference. First operand 1499 states and 1912 transitions. Second operand has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:57,253 INFO L93 Difference]: Finished difference Result 2013 states and 2544 transitions. [2025-03-04 10:52:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:57,257 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 86 [2025-03-04 10:52:57,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:57,261 INFO L225 Difference]: With dead ends: 2013 [2025-03-04 10:52:57,261 INFO L226 Difference]: Without dead ends: 2012 [2025-03-04 10:52:57,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:57,261 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 221 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:57,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 825 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2025-03-04 10:52:57,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1805. [2025-03-04 10:52:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1729 states have (on average 1.2874493927125505) internal successors, (2226), 1753 states have internal predecessors, (2226), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-03-04 10:52:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2324 transitions. [2025-03-04 10:52:57,335 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2324 transitions. Word has length 86 [2025-03-04 10:52:57,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:57,335 INFO L471 AbstractCegarLoop]: Abstraction has 1805 states and 2324 transitions. [2025-03-04 10:52:57,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-04 10:52:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2324 transitions. [2025-03-04 10:52:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 10:52:57,336 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:57,336 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:57,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:57,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-04 10:52:57,540 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:52:57,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash -177582275, now seen corresponding path program 1 times [2025-03-04 10:52:57,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:57,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756256826] [2025-03-04 10:52:57,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:57,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:57,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:57,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:57,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:57,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044285981] [2025-03-04 10:52:57,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:57,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:57,559 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:57,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-04 10:52:57,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:57,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:57,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:57,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:57,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 10:52:57,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:52:57,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:52:58,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756256826] [2025-03-04 10:52:58,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044285981] [2025-03-04 10:52:58,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044285981] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:58,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:58,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-03-04 10:52:58,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060197887] [2025-03-04 10:52:58,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:58,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:58,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:58,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:58,727 INFO L87 Difference]: Start difference. First operand 1805 states and 2324 transitions. Second operand has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:01,547 INFO L93 Difference]: Finished difference Result 1924 states and 2458 transitions. [2025-03-04 10:53:01,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-04 10:53:01,547 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 87 [2025-03-04 10:53:01,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:01,551 INFO L225 Difference]: With dead ends: 1924 [2025-03-04 10:53:01,551 INFO L226 Difference]: Without dead ends: 1922 [2025-03-04 10:53:01,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2314, Unknown=0, NotChecked=0, Total=2862 [2025-03-04 10:53:01,564 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 776 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:01,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 522 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-04 10:53:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2025-03-04 10:53:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1859. [2025-03-04 10:53:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1781 states have (on average 1.2801796743402583) internal successors, (2280), 1805 states have internal predecessors, (2280), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2382 transitions. [2025-03-04 10:53:01,639 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2382 transitions. Word has length 87 [2025-03-04 10:53:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:01,639 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2382 transitions. [2025-03-04 10:53:01,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2382 transitions. [2025-03-04 10:53:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-04 10:53:01,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:01,640 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:01,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-04 10:53:01,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-04 10:53:01,841 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:01,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:01,841 INFO L85 PathProgramCache]: Analyzing trace with hash -931744342, now seen corresponding path program 1 times [2025-03-04 10:53:01,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:01,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596132375] [2025-03-04 10:53:01,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:01,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 10:53:01,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 10:53:01,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:01,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596132375] [2025-03-04 10:53:01,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596132375] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626062977] [2025-03-04 10:53:01,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:01,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:01,901 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:01,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-04 10:53:01,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 10:53:01,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 10:53:01,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:53:01,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:02,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:02,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626062977] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:02,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:02,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-04 10:53:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628853602] [2025-03-04 10:53:02,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:02,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:02,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:02,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:02,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:02,103 INFO L87 Difference]: Start difference. First operand 1859 states and 2382 transitions. Second operand has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:02,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:02,342 INFO L93 Difference]: Finished difference Result 1871 states and 2394 transitions. [2025-03-04 10:53:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:53:02,343 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 88 [2025-03-04 10:53:02,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:02,347 INFO L225 Difference]: With dead ends: 1871 [2025-03-04 10:53:02,347 INFO L226 Difference]: Without dead ends: 1870 [2025-03-04 10:53:02,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:53:02,348 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 157 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:02,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 298 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:53:02,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2025-03-04 10:53:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1859. [2025-03-04 10:53:02,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1781 states have (on average 1.2796181920269512) internal successors, (2279), 1805 states have internal predecessors, (2279), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2381 transitions. [2025-03-04 10:53:02,456 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2381 transitions. Word has length 88 [2025-03-04 10:53:02,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:02,456 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2381 transitions. [2025-03-04 10:53:02,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2381 transitions. [2025-03-04 10:53:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:53:02,457 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:02,457 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:02,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-04 10:53:02,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:02,662 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:02,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash 402342953, now seen corresponding path program 2 times [2025-03-04 10:53:02,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459007864] [2025-03-04 10:53:02,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:02,669 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-03-04 10:53:02,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:53:02,685 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:02,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594962043] [2025-03-04 10:53:02,686 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:02,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:02,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:02,690 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:02,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-04 10:53:02,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-03-04 10:53:02,729 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:53:02,729 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:02,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:02,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-04 10:53:02,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:03,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:03,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459007864] [2025-03-04 10:53:03,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594962043] [2025-03-04 10:53:03,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594962043] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:03,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:03,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-03-04 10:53:03,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600869065] [2025-03-04 10:53:03,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:03,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:53:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:03,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:53:03,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:53:03,474 INFO L87 Difference]: Start difference. First operand 1859 states and 2381 transitions. Second operand has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:04,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:04,941 INFO L93 Difference]: Finished difference Result 1891 states and 2410 transitions. [2025-03-04 10:53:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:53:04,942 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) Word has length 92 [2025-03-04 10:53:04,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:04,946 INFO L225 Difference]: With dead ends: 1891 [2025-03-04 10:53:04,946 INFO L226 Difference]: Without dead ends: 1889 [2025-03-04 10:53:04,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=417, Invalid=1389, Unknown=0, NotChecked=0, Total=1806 [2025-03-04 10:53:04,948 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 751 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:04,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 418 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:53:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2025-03-04 10:53:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1859. [2025-03-04 10:53:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1781 states have (on average 1.2773722627737227) internal successors, (2275), 1805 states have internal predecessors, (2275), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2377 transitions. [2025-03-04 10:53:05,024 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2377 transitions. Word has length 92 [2025-03-04 10:53:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:05,024 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2377 transitions. [2025-03-04 10:53:05,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2377 transitions. [2025-03-04 10:53:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 10:53:05,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,025 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:05,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:05,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-04 10:53:05,229 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:05,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1260764504, now seen corresponding path program 1 times [2025-03-04 10:53:05,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:05,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055682812] [2025-03-04 10:53:05,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:05,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:05,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:05,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:05,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62192673] [2025-03-04 10:53:05,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:05,249 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:05,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-04 10:53:05,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:05,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:05,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:05,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:53:05,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:05,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:05,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055682812] [2025-03-04 10:53:05,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62192673] [2025-03-04 10:53:05,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62192673] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:05,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:05,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 10:53:05,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567721614] [2025-03-04 10:53:05,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:05,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:53:05,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:05,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:53:05,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2025-03-04 10:53:05,923 INFO L87 Difference]: Start difference. First operand 1859 states and 2377 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:06,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:06,397 INFO L93 Difference]: Finished difference Result 1891 states and 2411 transitions. [2025-03-04 10:53:06,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 10:53:06,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 94 [2025-03-04 10:53:06,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:06,402 INFO L225 Difference]: With dead ends: 1891 [2025-03-04 10:53:06,402 INFO L226 Difference]: Without dead ends: 1889 [2025-03-04 10:53:06,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2025-03-04 10:53:06,403 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 158 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:06,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 822 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:06,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2025-03-04 10:53:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1868. [2025-03-04 10:53:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1790 states have (on average 1.276536312849162) internal successors, (2285), 1814 states have internal predecessors, (2285), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2387 transitions. [2025-03-04 10:53:06,477 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2387 transitions. Word has length 94 [2025-03-04 10:53:06,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:06,477 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2387 transitions. [2025-03-04 10:53:06,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2387 transitions. [2025-03-04 10:53:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 10:53:06,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:06,478 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:06,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:06,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2025-03-04 10:53:06,680 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:06,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1773512995, now seen corresponding path program 1 times [2025-03-04 10:53:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200803034] [2025-03-04 10:53:06,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:06,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:06,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:06,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200803034] [2025-03-04 10:53:06,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200803034] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572724501] [2025-03-04 10:53:06,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:06,795 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:06,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-04 10:53:06,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:06,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:06,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:53:06,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:07,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:07,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572724501] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:07,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:07,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-04 10:53:07,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912547849] [2025-03-04 10:53:07,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:07,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:53:07,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:07,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:53:07,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:53:07,288 INFO L87 Difference]: Start difference. First operand 1868 states and 2387 transitions. Second operand has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:08,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:08,145 INFO L93 Difference]: Finished difference Result 1902 states and 2422 transitions. [2025-03-04 10:53:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:53:08,146 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 94 [2025-03-04 10:53:08,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:08,149 INFO L225 Difference]: With dead ends: 1902 [2025-03-04 10:53:08,149 INFO L226 Difference]: Without dead ends: 1901 [2025-03-04 10:53:08,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2025-03-04 10:53:08,150 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 175 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:08,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 756 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:53:08,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2025-03-04 10:53:08,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1875. [2025-03-04 10:53:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1797 states have (on average 1.2754590984974958) internal successors, (2292), 1821 states have internal predecessors, (2292), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2394 transitions. [2025-03-04 10:53:08,224 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2394 transitions. Word has length 94 [2025-03-04 10:53:08,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:08,224 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2394 transitions. [2025-03-04 10:53:08,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2394 transitions. [2025-03-04 10:53:08,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 10:53:08,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:08,225 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:08,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:08,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:08,425 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:08,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -167001116, now seen corresponding path program 1 times [2025-03-04 10:53:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252182095] [2025-03-04 10:53:08,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:08,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:08,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:08,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:08,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216821470] [2025-03-04 10:53:08,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:08,451 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:08,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-04 10:53:08,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 10:53:08,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 10:53:08,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:08,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:08,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 10:53:08,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:08,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:09,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:09,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252182095] [2025-03-04 10:53:09,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:09,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216821470] [2025-03-04 10:53:09,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216821470] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:09,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:09,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:53:09,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822342395] [2025-03-04 10:53:09,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:09,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:53:09,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:09,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:53:09,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:53:09,067 INFO L87 Difference]: Start difference. First operand 1875 states and 2394 transitions. Second operand has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:10,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:10,174 INFO L93 Difference]: Finished difference Result 1917 states and 2442 transitions. [2025-03-04 10:53:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:53:10,175 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 94 [2025-03-04 10:53:10,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:10,178 INFO L225 Difference]: With dead ends: 1917 [2025-03-04 10:53:10,178 INFO L226 Difference]: Without dead ends: 1916 [2025-03-04 10:53:10,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:53:10,179 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 193 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:10,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 327 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:53:10,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2025-03-04 10:53:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1875. [2025-03-04 10:53:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1797 states have (on average 1.274902615470228) internal successors, (2291), 1821 states have internal predecessors, (2291), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:53:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2393 transitions. [2025-03-04 10:53:10,270 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2393 transitions. Word has length 94 [2025-03-04 10:53:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:10,270 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2393 transitions. [2025-03-04 10:53:10,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2393 transitions. [2025-03-04 10:53:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:53:10,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:10,271 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:10,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:10,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-03-04 10:53:10,475 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:10,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:10,476 INFO L85 PathProgramCache]: Analyzing trace with hash -428993892, now seen corresponding path program 1 times [2025-03-04 10:53:10,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:10,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421402714] [2025-03-04 10:53:10,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:10,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:10,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:10,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:10,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2131107993] [2025-03-04 10:53:10,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:10,493 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:10,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-04 10:53:10,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:10,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:10,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:10,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:10,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:10,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:10,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421402714] [2025-03-04 10:53:10,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:10,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131107993] [2025-03-04 10:53:10,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131107993] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:10,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:10,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:53:10,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288703227] [2025-03-04 10:53:10,872 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:10,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:10,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:10,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:10,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:10,873 INFO L87 Difference]: Start difference. First operand 1875 states and 2393 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:11,354 INFO L93 Difference]: Finished difference Result 2301 states and 2952 transitions. [2025-03-04 10:53:11,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:53:11,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 95 [2025-03-04 10:53:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:11,358 INFO L225 Difference]: With dead ends: 2301 [2025-03-04 10:53:11,358 INFO L226 Difference]: Without dead ends: 2300 [2025-03-04 10:53:11,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:53:11,359 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 227 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:11,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 521 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:53:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2025-03-04 10:53:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2191. [2025-03-04 10:53:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2103 states have (on average 1.2772230147408463) internal successors, (2686), 2127 states have internal predecessors, (2686), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-03-04 10:53:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2808 transitions. [2025-03-04 10:53:11,454 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2808 transitions. Word has length 95 [2025-03-04 10:53:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:11,454 INFO L471 AbstractCegarLoop]: Abstraction has 2191 states and 2808 transitions. [2025-03-04 10:53:11,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2808 transitions. [2025-03-04 10:53:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:53:11,454 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:11,454 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:11,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-03-04 10:53:11,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:11,655 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:11,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:11,655 INFO L85 PathProgramCache]: Analyzing trace with hash -855672029, now seen corresponding path program 1 times [2025-03-04 10:53:11,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:11,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661343423] [2025-03-04 10:53:11,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:11,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:11,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:11,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-04 10:53:11,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661343423] [2025-03-04 10:53:11,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661343423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:11,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:11,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896059596] [2025-03-04 10:53:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:11,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:11,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:11,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:11,692 INFO L87 Difference]: Start difference. First operand 2191 states and 2808 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:53:11,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:11,905 INFO L93 Difference]: Finished difference Result 2206 states and 2816 transitions. [2025-03-04 10:53:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:11,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2025-03-04 10:53:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:11,909 INFO L225 Difference]: With dead ends: 2206 [2025-03-04 10:53:11,909 INFO L226 Difference]: Without dead ends: 2183 [2025-03-04 10:53:11,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:11,910 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 20 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:11,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 214 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:53:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2025-03-04 10:53:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2176. [2025-03-04 10:53:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 2088 states have (on average 1.2782567049808429) internal successors, (2669), 2112 states have internal predecessors, (2669), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-03-04 10:53:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 2791 transitions. [2025-03-04 10:53:11,999 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 2791 transitions. Word has length 95 [2025-03-04 10:53:11,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:11,999 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 2791 transitions. [2025-03-04 10:53:11,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:53:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2791 transitions. [2025-03-04 10:53:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:53:12,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:12,000 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:12,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-03-04 10:53:12,000 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:12,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1409497060, now seen corresponding path program 2 times [2025-03-04 10:53:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:12,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181669518] [2025-03-04 10:53:12,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:12,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-03-04 10:53:12,009 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:12,011 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:12,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:12,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212659352] [2025-03-04 10:53:12,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:12,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:12,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:12,013 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:12,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-04 10:53:12,035 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-03-04 10:53:12,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:12,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:12,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:12,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:12,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:12,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:12,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:12,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181669518] [2025-03-04 10:53:12,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:12,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212659352] [2025-03-04 10:53:12,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212659352] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:12,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:12,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:53:12,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920373328] [2025-03-04 10:53:12,648 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:12,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:53:12,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:12,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:53:12,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:12,649 INFO L87 Difference]: Start difference. First operand 2176 states and 2791 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:13,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:13,287 INFO L93 Difference]: Finished difference Result 2197 states and 2800 transitions. [2025-03-04 10:53:13,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:53:13,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 95 [2025-03-04 10:53:13,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:13,291 INFO L225 Difference]: With dead ends: 2197 [2025-03-04 10:53:13,291 INFO L226 Difference]: Without dead ends: 2196 [2025-03-04 10:53:13,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:53:13,291 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 177 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:13,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 503 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:53:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2025-03-04 10:53:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2176. [2025-03-04 10:53:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 2088 states have (on average 1.2768199233716475) internal successors, (2666), 2112 states have internal predecessors, (2666), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-03-04 10:53:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 2788 transitions. [2025-03-04 10:53:13,388 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 2788 transitions. Word has length 95 [2025-03-04 10:53:13,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:13,388 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 2788 transitions. [2025-03-04 10:53:13,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2788 transitions. [2025-03-04 10:53:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:53:13,389 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:13,389 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:13,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:13,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:13,589 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:13,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:13,590 INFO L85 PathProgramCache]: Analyzing trace with hash 667946243, now seen corresponding path program 1 times [2025-03-04 10:53:13,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:13,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823939019] [2025-03-04 10:53:13,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:13,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:13,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:13,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:13,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502980030] [2025-03-04 10:53:13,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:13,600 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:13,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-04 10:53:13,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:13,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:13,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:53:13,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:53:13,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:53:14,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:14,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823939019] [2025-03-04 10:53:14,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:14,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502980030] [2025-03-04 10:53:14,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502980030] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:14,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-03-04 10:53:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919057569] [2025-03-04 10:53:14,252 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:14,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-04 10:53:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:14,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-04 10:53:14,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:53:14,253 INFO L87 Difference]: Start difference. First operand 2176 states and 2788 transitions. Second operand has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:53:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:15,384 INFO L93 Difference]: Finished difference Result 2630 states and 3364 transitions. [2025-03-04 10:53:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:53:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 95 [2025-03-04 10:53:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:15,388 INFO L225 Difference]: With dead ends: 2630 [2025-03-04 10:53:15,388 INFO L226 Difference]: Without dead ends: 2628 [2025-03-04 10:53:15,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=943, Unknown=0, NotChecked=0, Total=1190 [2025-03-04 10:53:15,389 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 887 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:15,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 556 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:53:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2025-03-04 10:53:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2386. [2025-03-04 10:53:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2386 states, 2288 states have (on average 1.277097902097902) internal successors, (2922), 2312 states have internal predecessors, (2922), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:53:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3064 transitions. [2025-03-04 10:53:15,498 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3064 transitions. Word has length 95 [2025-03-04 10:53:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:15,498 INFO L471 AbstractCegarLoop]: Abstraction has 2386 states and 3064 transitions. [2025-03-04 10:53:15,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:53:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3064 transitions. [2025-03-04 10:53:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:53:15,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:15,499 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:15,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:15,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-04 10:53:15,700 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash -882067318, now seen corresponding path program 1 times [2025-03-04 10:53:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:15,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822446249] [2025-03-04 10:53:15,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:15,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:15,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:15,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:15,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:15,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822446249] [2025-03-04 10:53:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822446249] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854152514] [2025-03-04 10:53:15,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:15,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:15,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:15,772 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:15,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-04 10:53:15,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:53:15,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:53:15,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:15,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:15,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:53:15,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:15,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854152514] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:16,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-04 10:53:16,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856911982] [2025-03-04 10:53:16,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:16,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:53:16,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:16,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:53:16,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:53:16,123 INFO L87 Difference]: Start difference. First operand 2386 states and 3064 transitions. Second operand has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:16,759 INFO L93 Difference]: Finished difference Result 2406 states and 3086 transitions. [2025-03-04 10:53:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:53:16,759 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2025-03-04 10:53:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:16,763 INFO L225 Difference]: With dead ends: 2406 [2025-03-04 10:53:16,763 INFO L226 Difference]: Without dead ends: 2405 [2025-03-04 10:53:16,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:53:16,763 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 240 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:16,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 620 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:16,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2025-03-04 10:53:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2396. [2025-03-04 10:53:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2298 states have (on average 1.2771975630983463) internal successors, (2935), 2322 states have internal predecessors, (2935), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:53:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3077 transitions. [2025-03-04 10:53:16,866 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3077 transitions. Word has length 95 [2025-03-04 10:53:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:16,866 INFO L471 AbstractCegarLoop]: Abstraction has 2396 states and 3077 transitions. [2025-03-04 10:53:16,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3077 transitions. [2025-03-04 10:53:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 10:53:16,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:16,867 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:16,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-03-04 10:53:17,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-03-04 10:53:17,068 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:17,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash -413908698, now seen corresponding path program 1 times [2025-03-04 10:53:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:17,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014266415] [2025-03-04 10:53:17,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:17,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:53:17,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:53:17,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:17,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958141824] [2025-03-04 10:53:17,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:17,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:17,084 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:17,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-04 10:53:17,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:53:17,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:53:17,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:17,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:53:17,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:17,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:17,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:17,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014266415] [2025-03-04 10:53:17,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:17,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958141824] [2025-03-04 10:53:17,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958141824] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:17,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:17,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:53:17,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034018858] [2025-03-04 10:53:17,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:17,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:53:17,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:17,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:53:17,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:53:17,659 INFO L87 Difference]: Start difference. First operand 2396 states and 3077 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:20,454 INFO L93 Difference]: Finished difference Result 3130 states and 4048 transitions. [2025-03-04 10:53:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-04 10:53:20,454 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 96 [2025-03-04 10:53:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:20,458 INFO L225 Difference]: With dead ends: 3130 [2025-03-04 10:53:20,458 INFO L226 Difference]: Without dead ends: 3128 [2025-03-04 10:53:20,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=499, Invalid=3161, Unknown=0, NotChecked=0, Total=3660 [2025-03-04 10:53:20,459 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 437 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:20,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 897 Invalid, 3039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3003 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 10:53:20,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2025-03-04 10:53:20,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 2958. [2025-03-04 10:53:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2844 states have (on average 1.289732770745429) internal successors, (3668), 2868 states have internal predecessors, (3668), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 3842 transitions. [2025-03-04 10:53:20,604 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 3842 transitions. Word has length 96 [2025-03-04 10:53:20,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:20,605 INFO L471 AbstractCegarLoop]: Abstraction has 2958 states and 3842 transitions. [2025-03-04 10:53:20,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3842 transitions. [2025-03-04 10:53:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 10:53:20,605 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:20,605 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:20,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:20,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-03-04 10:53:20,810 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:20,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash -744735834, now seen corresponding path program 2 times [2025-03-04 10:53:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:20,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457245959] [2025-03-04 10:53:20,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:20,813 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-04 10:53:20,818 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:53:20,818 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:20,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:20,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296488420] [2025-03-04 10:53:20,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:20,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:20,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:20,821 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:20,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-04 10:53:20,841 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-04 10:53:20,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:53:20,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:20,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:20,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:53:20,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:21,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:21,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:21,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457245959] [2025-03-04 10:53:21,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:21,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296488420] [2025-03-04 10:53:21,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296488420] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:21,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:21,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:53:21,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840463253] [2025-03-04 10:53:21,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:21,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:53:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:21,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:53:21,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:53:21,377 INFO L87 Difference]: Start difference. First operand 2958 states and 3842 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:23,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:23,170 INFO L93 Difference]: Finished difference Result 3149 states and 4076 transitions. [2025-03-04 10:53:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-04 10:53:23,170 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 96 [2025-03-04 10:53:23,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:23,174 INFO L225 Difference]: With dead ends: 3149 [2025-03-04 10:53:23,174 INFO L226 Difference]: Without dead ends: 3147 [2025-03-04 10:53:23,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=548, Invalid=2532, Unknown=0, NotChecked=0, Total=3080 [2025-03-04 10:53:23,175 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 639 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:23,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 503 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:53:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2025-03-04 10:53:23,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 2962. [2025-03-04 10:53:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2848 states have (on average 1.2865168539325842) internal successors, (3664), 2872 states have internal predecessors, (3664), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3838 transitions. [2025-03-04 10:53:23,314 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3838 transitions. Word has length 96 [2025-03-04 10:53:23,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:23,314 INFO L471 AbstractCegarLoop]: Abstraction has 2962 states and 3838 transitions. [2025-03-04 10:53:23,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3838 transitions. [2025-03-04 10:53:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-04 10:53:23,315 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:23,315 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:23,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-04 10:53:23,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:23,516 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:23,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:23,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2001636863, now seen corresponding path program 2 times [2025-03-04 10:53:23,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:23,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294679770] [2025-03-04 10:53:23,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:23,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-04 10:53:23,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 10:53:23,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:23,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:23,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490498105] [2025-03-04 10:53:23,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:23,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:23,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:23,527 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:23,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-04 10:53:23,547 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-04 10:53:23,591 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 10:53:23,591 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:23,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:23,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:53:23,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:23,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:23,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:23,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294679770] [2025-03-04 10:53:23,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:23,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490498105] [2025-03-04 10:53:23,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490498105] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:23,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:23,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 10:53:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240640832] [2025-03-04 10:53:23,892 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:23,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:53:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:23,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:53:23,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:53:23,892 INFO L87 Difference]: Start difference. First operand 2962 states and 3838 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:24,624 INFO L93 Difference]: Finished difference Result 3005 states and 3857 transitions. [2025-03-04 10:53:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:53:24,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 99 [2025-03-04 10:53:24,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:24,629 INFO L225 Difference]: With dead ends: 3005 [2025-03-04 10:53:24,629 INFO L226 Difference]: Without dead ends: 3003 [2025-03-04 10:53:24,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:53:24,630 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 237 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:24,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 947 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:53:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2025-03-04 10:53:24,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 2962. [2025-03-04 10:53:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2848 states have (on average 1.276685393258427) internal successors, (3636), 2872 states have internal predecessors, (3636), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3810 transitions. [2025-03-04 10:53:24,771 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3810 transitions. Word has length 99 [2025-03-04 10:53:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:24,771 INFO L471 AbstractCegarLoop]: Abstraction has 2962 states and 3810 transitions. [2025-03-04 10:53:24,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-04 10:53:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3810 transitions. [2025-03-04 10:53:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-04 10:53:24,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:24,772 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:24,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-03-04 10:53:24,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:24,972 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:24,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:24,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1574958726, now seen corresponding path program 1 times [2025-03-04 10:53:24,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:24,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853744944] [2025-03-04 10:53:24,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:24,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:24,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 10:53:24,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 10:53:24,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:24,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:24,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881213031] [2025-03-04 10:53:24,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:24,983 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:24,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-04 10:53:25,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 10:53:25,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 10:53:25,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:25,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:25,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-04 10:53:25,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:25,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:26,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:26,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853744944] [2025-03-04 10:53:26,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:26,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881213031] [2025-03-04 10:53:26,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881213031] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:26,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:26,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2025-03-04 10:53:26,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005604605] [2025-03-04 10:53:26,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:26,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-04 10:53:26,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:26,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-04 10:53:26,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:53:26,405 INFO L87 Difference]: Start difference. First operand 2962 states and 3810 transitions. Second operand has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:29,842 INFO L93 Difference]: Finished difference Result 2980 states and 3833 transitions. [2025-03-04 10:53:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:53:29,842 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2025-03-04 10:53:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:29,846 INFO L225 Difference]: With dead ends: 2980 [2025-03-04 10:53:29,846 INFO L226 Difference]: Without dead ends: 2956 [2025-03-04 10:53:29,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2025-03-04 10:53:29,847 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 160 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:29,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 330 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:53:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2025-03-04 10:53:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2953. [2025-03-04 10:53:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2839 states have (on average 1.2789714688270517) internal successors, (3631), 2863 states have internal predecessors, (3631), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 3805 transitions. [2025-03-04 10:53:29,971 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 3805 transitions. Word has length 99 [2025-03-04 10:53:29,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:29,971 INFO L471 AbstractCegarLoop]: Abstraction has 2953 states and 3805 transitions. [2025-03-04 10:53:29,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-04 10:53:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3805 transitions. [2025-03-04 10:53:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:53:29,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:29,971 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:29,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-03-04 10:53:30,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:30,176 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:30,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:30,176 INFO L85 PathProgramCache]: Analyzing trace with hash -625470506, now seen corresponding path program 1 times [2025-03-04 10:53:30,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:30,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599852883] [2025-03-04 10:53:30,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:30,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:30,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:53:30,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:53:30,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:30,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:30,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381126309] [2025-03-04 10:53:30,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:30,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:30,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:30,188 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:30,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-04 10:53:30,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:53:30,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:53:30,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:30,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:30,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-04 10:53:30,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 10:53:31,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:33,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:33,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599852883] [2025-03-04 10:53:33,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:33,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381126309] [2025-03-04 10:53:33,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381126309] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:33,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:33,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-03-04 10:53:33,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077610042] [2025-03-04 10:53:33,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:33,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-04 10:53:33,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:33,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-04 10:53:33,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=813, Unknown=0, NotChecked=0, Total=930 [2025-03-04 10:53:33,498 INFO L87 Difference]: Start difference. First operand 2953 states and 3805 transitions. Second operand has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:53:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:35,641 INFO L93 Difference]: Finished difference Result 2974 states and 3816 transitions. [2025-03-04 10:53:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 10:53:35,641 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 101 [2025-03-04 10:53:35,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:35,645 INFO L225 Difference]: With dead ends: 2974 [2025-03-04 10:53:35,645 INFO L226 Difference]: Without dead ends: 2971 [2025-03-04 10:53:35,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=236, Invalid=1324, Unknown=0, NotChecked=0, Total=1560 [2025-03-04 10:53:35,645 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 323 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:35,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 615 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 10:53:35,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2025-03-04 10:53:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2953. [2025-03-04 10:53:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2839 states have (on average 1.2754491017964071) internal successors, (3621), 2863 states have internal predecessors, (3621), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 3795 transitions. [2025-03-04 10:53:35,783 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 3795 transitions. Word has length 101 [2025-03-04 10:53:35,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:35,784 INFO L471 AbstractCegarLoop]: Abstraction has 2953 states and 3795 transitions. [2025-03-04 10:53:35,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:53:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3795 transitions. [2025-03-04 10:53:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-04 10:53:35,784 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:35,784 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:35,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:35,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2025-03-04 10:53:35,986 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:35,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:35,987 INFO L85 PathProgramCache]: Analyzing trace with hash 817973140, now seen corresponding path program 1 times [2025-03-04 10:53:35,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:35,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131206276] [2025-03-04 10:53:35,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:35,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:35,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-04 10:53:35,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-04 10:53:35,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:35,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:35,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010071899] [2025-03-04 10:53:35,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:35,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:35,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:36,000 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:36,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-04 10:53:36,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-04 10:53:36,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-04 10:53:36,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:36,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:36,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-04 10:53:36,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:53:36,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-04 10:53:36,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:36,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131206276] [2025-03-04 10:53:36,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:36,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010071899] [2025-03-04 10:53:36,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010071899] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:36,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:36,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-03-04 10:53:36,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890512894] [2025-03-04 10:53:36,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:36,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:53:36,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:36,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:53:36,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:53:36,675 INFO L87 Difference]: Start difference. First operand 2953 states and 3795 transitions. Second operand has 18 states, 17 states have (on average 8.411764705882353) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:39,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:39,218 INFO L93 Difference]: Finished difference Result 2968 states and 3812 transitions. [2025-03-04 10:53:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 10:53:39,218 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.411764705882353) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 103 [2025-03-04 10:53:39,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:39,221 INFO L225 Difference]: With dead ends: 2968 [2025-03-04 10:53:39,221 INFO L226 Difference]: Without dead ends: 2966 [2025-03-04 10:53:39,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-03-04 10:53:39,222 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 320 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:39,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 211 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 10:53:39,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2025-03-04 10:53:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2952. [2025-03-04 10:53:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2952 states, 2839 states have (on average 1.2490313490665728) internal successors, (3546), 2862 states have internal predecessors, (3546), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 10:53:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 3720 transitions. [2025-03-04 10:53:39,363 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 3720 transitions. Word has length 103 [2025-03-04 10:53:39,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:39,364 INFO L471 AbstractCegarLoop]: Abstraction has 2952 states and 3720 transitions. [2025-03-04 10:53:39,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.411764705882353) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3720 transitions. [2025-03-04 10:53:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-04 10:53:39,364 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:39,364 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:39,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-03-04 10:53:39,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-03-04 10:53:39,565 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:39,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:39,565 INFO L85 PathProgramCache]: Analyzing trace with hash 956867449, now seen corresponding path program 1 times [2025-03-04 10:53:39,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:39,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949283039] [2025-03-04 10:53:39,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:39,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:39,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 10:53:39,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 10:53:39,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:39,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:39,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686126477] [2025-03-04 10:53:39,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:39,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:39,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:39,580 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:39,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-04 10:53:39,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 10:53:39,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 10:53:39,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:39,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:39,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-04 10:53:39,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:53:40,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 10:53:40,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:40,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949283039] [2025-03-04 10:53:40,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:40,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686126477] [2025-03-04 10:53:40,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686126477] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:40,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:40,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2025-03-04 10:53:40,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468060721] [2025-03-04 10:53:40,717 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:40,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-03-04 10:53:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:40,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-03-04 10:53:40,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=860, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:53:40,717 INFO L87 Difference]: Start difference. First operand 2952 states and 3720 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:53:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:46,127 INFO L93 Difference]: Finished difference Result 3161 states and 3975 transitions. [2025-03-04 10:53:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-04 10:53:46,127 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 105 [2025-03-04 10:53:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:46,130 INFO L225 Difference]: With dead ends: 3161 [2025-03-04 10:53:46,130 INFO L226 Difference]: Without dead ends: 3158 [2025-03-04 10:53:46,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1147, Invalid=6863, Unknown=0, NotChecked=0, Total=8010 [2025-03-04 10:53:46,131 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 866 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 2681 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 2730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:46,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 427 Invalid, 2730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2681 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-04 10:53:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2025-03-04 10:53:46,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3024. [2025-03-04 10:53:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2910 states have (on average 1.2481099656357388) internal successors, (3632), 2933 states have internal predecessors, (3632), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-04 10:53:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 3808 transitions. [2025-03-04 10:53:46,286 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 3808 transitions. Word has length 105 [2025-03-04 10:53:46,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:46,286 INFO L471 AbstractCegarLoop]: Abstraction has 3024 states and 3808 transitions. [2025-03-04 10:53:46,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-04 10:53:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 3808 transitions. [2025-03-04 10:53:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 10:53:46,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:46,287 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:46,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2025-03-04 10:53:46,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:46,487 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:46,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash -163809945, now seen corresponding path program 1 times [2025-03-04 10:53:46,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:46,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044423192] [2025-03-04 10:53:46,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:46,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:53:46,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:53:46,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:46,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:46,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:46,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044423192] [2025-03-04 10:53:46,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044423192] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:46,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96039860] [2025-03-04 10:53:46,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:46,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:46,589 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:46,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-04 10:53:46,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:53:46,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:53:46,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:46,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:46,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:46,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:46,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:47,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96039860] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:47,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:47,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-04 10:53:47,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460310792] [2025-03-04 10:53:47,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:47,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:53:47,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:47,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:53:47,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:53:47,065 INFO L87 Difference]: Start difference. First operand 3024 states and 3808 transitions. Second operand has 23 states, 23 states have (on average 9.73913043478261) internal successors, (224), 23 states have internal predecessors, (224), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-04 10:53:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:47,695 INFO L93 Difference]: Finished difference Result 3073 states and 3858 transitions. [2025-03-04 10:53:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:53:47,696 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.73913043478261) internal successors, (224), 23 states have internal predecessors, (224), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 117 [2025-03-04 10:53:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:47,698 INFO L225 Difference]: With dead ends: 3073 [2025-03-04 10:53:47,698 INFO L226 Difference]: Without dead ends: 3005 [2025-03-04 10:53:47,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:53:47,699 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 94 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:47,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 757 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2025-03-04 10:53:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 3004. [2025-03-04 10:53:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3004 states, 2890 states have (on average 1.2470588235294118) internal successors, (3604), 2913 states have internal predecessors, (3604), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-04 10:53:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 3780 transitions. [2025-03-04 10:53:47,854 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 3780 transitions. Word has length 117 [2025-03-04 10:53:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:47,855 INFO L471 AbstractCegarLoop]: Abstraction has 3004 states and 3780 transitions. [2025-03-04 10:53:47,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.73913043478261) internal successors, (224), 23 states have internal predecessors, (224), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-04 10:53:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 3780 transitions. [2025-03-04 10:53:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-04 10:53:47,855 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:47,855 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:47,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:48,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2025-03-04 10:53:48,056 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:48,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash -959491591, now seen corresponding path program 1 times [2025-03-04 10:53:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:48,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279828297] [2025-03-04 10:53:48,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:48,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:53:48,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:53:48,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:48,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:48,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:48,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279828297] [2025-03-04 10:53:48,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279828297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:48,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692647158] [2025-03-04 10:53:48,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:48,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:48,284 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:48,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-04 10:53:48,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:53:48,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:53:48,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:48,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:48,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:53:48,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:48,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:48,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692647158] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:48,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:48,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-03-04 10:53:48,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933012187] [2025-03-04 10:53:48,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:48,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:53:48,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:48,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:53:48,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:53:48,890 INFO L87 Difference]: Start difference. First operand 3004 states and 3780 transitions. Second operand has 26 states, 26 states have (on average 9.807692307692308) internal successors, (255), 26 states have internal predecessors, (255), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-04 10:53:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:49,934 INFO L93 Difference]: Finished difference Result 3038 states and 3812 transitions. [2025-03-04 10:53:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:53:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.807692307692308) internal successors, (255), 26 states have internal predecessors, (255), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 118 [2025-03-04 10:53:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:49,937 INFO L225 Difference]: With dead ends: 3038 [2025-03-04 10:53:49,937 INFO L226 Difference]: Without dead ends: 2987 [2025-03-04 10:53:49,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=262, Invalid=1718, Unknown=0, NotChecked=0, Total=1980 [2025-03-04 10:53:49,938 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 129 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:49,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 818 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:53:49,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2025-03-04 10:53:50,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2986. [2025-03-04 10:53:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2872 states have (on average 1.2465181058495822) internal successors, (3580), 2895 states have internal predecessors, (3580), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-04 10:53:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3756 transitions. [2025-03-04 10:53:50,090 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3756 transitions. Word has length 118 [2025-03-04 10:53:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:50,090 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 3756 transitions. [2025-03-04 10:53:50,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.807692307692308) internal successors, (255), 26 states have internal predecessors, (255), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-04 10:53:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3756 transitions. [2025-03-04 10:53:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 10:53:50,091 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:50,091 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:50,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2025-03-04 10:53:50,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-03-04 10:53:50,292 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:50,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2024905910, now seen corresponding path program 1 times [2025-03-04 10:53:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952425935] [2025-03-04 10:53:50,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:50,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:53:50,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:53:50,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:50,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:50,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370780120] [2025-03-04 10:53:50,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:50,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:50,305 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:50,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-03-04 10:53:50,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:53:50,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:53:50,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:50,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:50,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 10:53:50,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:50,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:51,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952425935] [2025-03-04 10:53:51,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370780120] [2025-03-04 10:53:51,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370780120] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:51,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:51,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-03-04 10:53:51,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494087850] [2025-03-04 10:53:51,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:51,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-04 10:53:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:51,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-04 10:53:51,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2025-03-04 10:53:51,370 INFO L87 Difference]: Start difference. First operand 2986 states and 3756 transitions. Second operand has 28 states, 27 states have (on average 7.185185185185185) internal successors, (194), 28 states have internal predecessors, (194), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:54,420 INFO L93 Difference]: Finished difference Result 3036 states and 3809 transitions. [2025-03-04 10:53:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-04 10:53:54,421 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.185185185185185) internal successors, (194), 28 states have internal predecessors, (194), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 122 [2025-03-04 10:53:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:54,423 INFO L225 Difference]: With dead ends: 3036 [2025-03-04 10:53:54,423 INFO L226 Difference]: Without dead ends: 3035 [2025-03-04 10:53:54,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=729, Invalid=4383, Unknown=0, NotChecked=0, Total=5112 [2025-03-04 10:53:54,424 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 388 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:54,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 471 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 10:53:54,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2025-03-04 10:53:54,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3004. [2025-03-04 10:53:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3004 states, 2890 states have (on average 1.2460207612456748) internal successors, (3601), 2913 states have internal predecessors, (3601), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-04 10:53:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 3777 transitions. [2025-03-04 10:53:54,582 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 3777 transitions. Word has length 122 [2025-03-04 10:53:54,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:54,582 INFO L471 AbstractCegarLoop]: Abstraction has 3004 states and 3777 transitions. [2025-03-04 10:53:54,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.185185185185185) internal successors, (194), 28 states have internal predecessors, (194), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-04 10:53:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 3777 transitions. [2025-03-04 10:53:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 10:53:54,583 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:54,583 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:54,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:54,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:54,783 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:54,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 944004149, now seen corresponding path program 2 times [2025-03-04 10:53:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640768433] [2025-03-04 10:53:54,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:54,787 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 126 statements into 2 equivalence classes. [2025-03-04 10:53:54,792 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 10:53:54,793 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:54,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:54,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166341243] [2025-03-04 10:53:54,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:54,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:54,795 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:54,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-03-04 10:53:54,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 126 statements into 2 equivalence classes. [2025-03-04 10:53:54,862 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 10:53:54,862 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:54,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:54,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:53:54,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 77 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-04 10:53:55,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:55,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:55,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640768433] [2025-03-04 10:53:55,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:55,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166341243] [2025-03-04 10:53:55,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166341243] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:55,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:55,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-04 10:53:55,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914701804] [2025-03-04 10:53:55,288 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:55,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:53:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:55,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:53:55,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:53:55,289 INFO L87 Difference]: Start difference. First operand 3004 states and 3777 transitions. Second operand has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:55,984 INFO L93 Difference]: Finished difference Result 3535 states and 4447 transitions. [2025-03-04 10:53:55,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:53:55,985 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 126 [2025-03-04 10:53:55,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:55,987 INFO L225 Difference]: With dead ends: 3535 [2025-03-04 10:53:55,987 INFO L226 Difference]: Without dead ends: 3533 [2025-03-04 10:53:55,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2025-03-04 10:53:55,988 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 233 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:55,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 822 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3533 states. [2025-03-04 10:53:56,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3533 to 3287. [2025-03-04 10:53:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 3165 states have (on average 1.2357030015797787) internal successors, (3911), 3188 states have internal predecessors, (3911), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2025-03-04 10:53:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4103 transitions. [2025-03-04 10:53:56,151 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4103 transitions. Word has length 126 [2025-03-04 10:53:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:56,151 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4103 transitions. [2025-03-04 10:53:56,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 10:53:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4103 transitions. [2025-03-04 10:53:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 10:53:56,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:56,152 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:53:56,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2025-03-04 10:53:56,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:56,357 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-04 10:53:56,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:56,357 INFO L85 PathProgramCache]: Analyzing trace with hash -750192971, now seen corresponding path program 3 times [2025-03-04 10:53:56,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:56,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925901220] [2025-03-04 10:53:56,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:53:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:56,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 126 statements into 4 equivalence classes. [2025-03-04 10:53:56,367 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 10:53:56,367 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-04 10:53:56,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:56,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032015526] [2025-03-04 10:53:56,368 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:53:56,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:56,370 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:53:56,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2025-03-04 10:53:56,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 126 statements into 4 equivalence classes. [2025-03-04 10:53:56,428 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 58 of 126 statements. [2025-03-04 10:53:56,428 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 10:53:56,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:56,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-04 10:53:56,430 INFO L279 TraceCheckSpWp]: Computing forward predicates...