./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-009.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 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:51:17,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:51:17,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:51:17,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:51:17,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:51:17,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:51:17,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:51:17,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:51:17,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:51:17,538 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:51:17,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:51:17,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:51:17,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:51:17,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:51:17,539 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:51:17,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:51:17,540 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:51:17,541 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:17,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:51:17,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:51:17,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:51:17,542 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 -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2025-03-17 15:51:17,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:51:17,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:51:17,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:51:17,826 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:51:17,827 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:51:17,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-009.c [2025-03-17 15:51:18,965 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ad41f12/cc22908bef4549d9a2d446792218e2a5/FLAGcb750071d [2025-03-17 15:51:19,183 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:51:19,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-009.c [2025-03-17 15:51:19,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ad41f12/cc22908bef4549d9a2d446792218e2a5/FLAGcb750071d [2025-03-17 15:51:19,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ad41f12/cc22908bef4549d9a2d446792218e2a5 [2025-03-17 15:51:19,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:51:19,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:51:19,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:19,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:51:19,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:51:19,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b743ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19, skipping insertion in model container [2025-03-17 15:51:19,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:51:19,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:19,378 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:51:19,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:19,426 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:51:19,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19 WrapperNode [2025-03-17 15:51:19,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:19,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:19,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:51:19,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:51:19,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,468 INFO L138 Inliner]: procedures = 13, calls = 114, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 289 [2025-03-17 15:51:19,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:19,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:51:19,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:51:19,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:51:19,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,495 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 15:51:19,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:51:19,520 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:51:19,521 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:51:19,521 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:51:19,522 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (1/1) ... [2025-03-17 15:51:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:19,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:19,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 15:51:19,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 15:51:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:51:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:51:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:51:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:51:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-03-17 15:51:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-03-17 15:51:19,642 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:51:19,644 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:51:19,984 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-03-17 15:51:19,984 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:51:20,004 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:51:20,005 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:51:20,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:20 BoogieIcfgContainer [2025-03-17 15:51:20,005 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:51:20,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:51:20,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:51:20,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:51:20,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:51:19" (1/3) ... [2025-03-17 15:51:20,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0c513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:20, skipping insertion in model container [2025-03-17 15:51:20,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:19" (2/3) ... [2025-03-17 15:51:20,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0c513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:20, skipping insertion in model container [2025-03-17 15:51:20,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:20" (3/3) ... [2025-03-17 15:51:20,014 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2025-03-17 15:51:20,026 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:51:20,028 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-009.c that has 2 procedures, 212 locations, 1 initial locations, 0 loop locations, and 32 error locations. [2025-03-17 15:51:20,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:51:20,095 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;@5f610a28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:51:20,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2025-03-17 15:51:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 72 states have (on average 1.5694444444444444) internal successors, (113), 104 states have internal predecessors, (113), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-17 15:51:20,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2025-03-17 15:51:20,124 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:20,125 INFO L218 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:20,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:20,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1400842103, now seen corresponding path program 1 times [2025-03-17 15:51:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:20,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496507162] [2025-03-17 15:51:20,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:20,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 510 statements into 1 equivalence classes. [2025-03-17 15:51:20,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 510 of 510 statements. [2025-03-17 15:51:20,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:20,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 18818 trivial. 0 not checked. [2025-03-17 15:51:20,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:20,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496507162] [2025-03-17 15:51:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496507162] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417225593] [2025-03-17 15:51:20,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:20,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:20,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:20,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:51:20,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 510 statements into 1 equivalence classes. [2025-03-17 15:51:20,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 510 of 510 statements. [2025-03-17 15:51:20,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:20,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:20,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:51:20,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 18818 trivial. 0 not checked. [2025-03-17 15:51:20,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:51:20,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417225593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:20,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:51:20,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:51:20,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584905731] [2025-03-17 15:51:20,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:20,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:51:20,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:20,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:51:20,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:51:20,861 INFO L87 Difference]: Start difference. First operand has 212 states, 72 states have (on average 1.5694444444444444) internal successors, (113), 104 states have internal predecessors, (113), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) [2025-03-17 15:51:20,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:20,913 INFO L93 Difference]: Finished difference Result 420 states and 752 transitions. [2025-03-17 15:51:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:51:20,915 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) Word has length 510 [2025-03-17 15:51:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:20,922 INFO L225 Difference]: With dead ends: 420 [2025-03-17 15:51:20,923 INFO L226 Difference]: Without dead ends: 207 [2025-03-17 15:51:20,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:51:20,932 INFO L435 NwaCegarLoop]: 322 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, 322 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 [2025-03-17 15:51:20,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:20,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2025-03-17 15:51:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2025-03-17 15:51:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 69 states have (on average 1.5507246376811594) internal successors, (107), 100 states have internal predecessors, (107), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 317 transitions. [2025-03-17 15:51:21,010 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 317 transitions. Word has length 510 [2025-03-17 15:51:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:21,010 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 317 transitions. [2025-03-17 15:51:21,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 2 states have call successors, (98) [2025-03-17 15:51:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 317 transitions. [2025-03-17 15:51:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2025-03-17 15:51:21,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:21,024 INFO L218 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:21,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:51:21,224 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 [2025-03-17 15:51:21,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:21,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:21,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1753208809, now seen corresponding path program 1 times [2025-03-17 15:51:21,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:21,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211025843] [2025-03-17 15:51:21,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:21,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 510 statements into 1 equivalence classes. [2025-03-17 15:51:21,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 510 of 510 statements. [2025-03-17 15:51:21,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:21,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:22,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:22,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211025843] [2025-03-17 15:51:22,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211025843] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:22,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776089476] [2025-03-17 15:51:22,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:22,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:22,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:51:22,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 510 statements into 1 equivalence classes. [2025-03-17 15:51:22,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 510 of 510 statements. [2025-03-17 15:51:22,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:22,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:22,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:22,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:22,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:23,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776089476] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:23,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:23,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:23,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17143066] [2025-03-17 15:51:23,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:23,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:23,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:23,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:23,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:23,448 INFO L87 Difference]: Start difference. First operand 207 states and 317 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) [2025-03-17 15:51:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:23,974 INFO L93 Difference]: Finished difference Result 207 states and 317 transitions. [2025-03-17 15:51:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:23,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) Word has length 510 [2025-03-17 15:51:23,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:23,979 INFO L225 Difference]: With dead ends: 207 [2025-03-17 15:51:23,979 INFO L226 Difference]: Without dead ends: 206 [2025-03-17 15:51:23,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1015 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:23,982 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 2 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:23,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 968 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:51:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-03-17 15:51:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2025-03-17 15:51:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 69 states have (on average 1.536231884057971) internal successors, (106), 99 states have internal predecessors, (106), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 316 transitions. [2025-03-17 15:51:24,004 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 316 transitions. Word has length 510 [2025-03-17 15:51:24,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:24,006 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 316 transitions. [2025-03-17 15:51:24,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (291), 1 states have call predecessors, (291), 2 states have return successors, (292), 5 states have call predecessors, (292), 6 states have call successors, (292) [2025-03-17 15:51:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 316 transitions. [2025-03-17 15:51:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2025-03-17 15:51:24,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:24,012 INFO L218 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:24,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:24,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 15:51:24,213 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:24,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1485101706, now seen corresponding path program 1 times [2025-03-17 15:51:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:24,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541567135] [2025-03-17 15:51:24,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:24,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 511 statements into 1 equivalence classes. [2025-03-17 15:51:24,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 511 of 511 statements. [2025-03-17 15:51:24,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:24,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:24,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541567135] [2025-03-17 15:51:24,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541567135] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618100140] [2025-03-17 15:51:24,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:24,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:24,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:24,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:51:24,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 511 statements into 1 equivalence classes. [2025-03-17 15:51:24,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 511 of 511 statements. [2025-03-17 15:51:24,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:24,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:24,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:24,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:25,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 6 proven. 285 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:25,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618100140] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:25,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:25,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2025-03-17 15:51:25,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694383223] [2025-03-17 15:51:25,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:25,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:25,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:25,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:25,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:25,610 INFO L87 Difference]: Start difference. First operand 206 states and 316 transitions. Second operand has 10 states, 8 states have (on average 8.5) internal successors, (68), 10 states have internal predecessors, (68), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2025-03-17 15:51:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:26,150 INFO L93 Difference]: Finished difference Result 206 states and 316 transitions. [2025-03-17 15:51:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:26,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.5) internal successors, (68), 10 states have internal predecessors, (68), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) Word has length 511 [2025-03-17 15:51:26,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:26,156 INFO L225 Difference]: With dead ends: 206 [2025-03-17 15:51:26,157 INFO L226 Difference]: Without dead ends: 205 [2025-03-17 15:51:26,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 1017 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:26,158 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 0 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:26,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1432 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:51:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-03-17 15:51:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2025-03-17 15:51:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 69 states have (on average 1.5217391304347827) internal successors, (105), 98 states have internal predecessors, (105), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 315 transitions. [2025-03-17 15:51:26,184 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 315 transitions. Word has length 511 [2025-03-17 15:51:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:26,188 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 315 transitions. [2025-03-17 15:51:26,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.5) internal successors, (68), 10 states have internal predecessors, (68), 5 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 4 states have call predecessors, (290), 5 states have call successors, (290) [2025-03-17 15:51:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 315 transitions. [2025-03-17 15:51:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2025-03-17 15:51:26,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:26,195 INFO L218 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:26,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:26,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:26,398 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:26,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1253595212, now seen corresponding path program 1 times [2025-03-17 15:51:26,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:26,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154835024] [2025-03-17 15:51:26,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:26,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:26,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 513 statements into 1 equivalence classes. [2025-03-17 15:51:26,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 513 of 513 statements. [2025-03-17 15:51:26,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:26,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19012 trivial. 0 not checked. [2025-03-17 15:51:26,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154835024] [2025-03-17 15:51:26,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154835024] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:26,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:26,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:51:26,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828520040] [2025-03-17 15:51:26,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:26,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:51:26,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:26,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:51:26,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:26,540 INFO L87 Difference]: Start difference. First operand 205 states and 315 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2025-03-17 15:51:26,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:26,594 INFO L93 Difference]: Finished difference Result 205 states and 315 transitions. [2025-03-17 15:51:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:51:26,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) Word has length 513 [2025-03-17 15:51:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:26,597 INFO L225 Difference]: With dead ends: 205 [2025-03-17 15:51:26,597 INFO L226 Difference]: Without dead ends: 197 [2025-03-17 15:51:26,597 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 [2025-03-17 15:51:26,598 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:26,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 536 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:26,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2025-03-17 15:51:26,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2025-03-17 15:51:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 90 states have internal predecessors, (97), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 307 transitions. [2025-03-17 15:51:26,616 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 307 transitions. Word has length 513 [2025-03-17 15:51:26,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:26,617 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 307 transitions. [2025-03-17 15:51:26,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2025-03-17 15:51:26,618 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 307 transitions. [2025-03-17 15:51:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2025-03-17 15:51:26,626 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:26,626 INFO L218 NwaCegarLoop]: trace histogram [98, 98, 98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:26,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:51:26,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:26,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:26,627 INFO L85 PathProgramCache]: Analyzing trace with hash -206745850, now seen corresponding path program 1 times [2025-03-17 15:51:26,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:26,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739132654] [2025-03-17 15:51:26,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:26,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:26,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 514 statements into 1 equivalence classes. [2025-03-17 15:51:26,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 514 of 514 statements. [2025-03-17 15:51:26,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:26,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:26,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:26,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739132654] [2025-03-17 15:51:26,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739132654] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:26,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181707957] [2025-03-17 15:51:26,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:26,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:26,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:26,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:51:27,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 514 statements into 1 equivalence classes. [2025-03-17 15:51:27,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 514 of 514 statements. [2025-03-17 15:51:27,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:27,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:27,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:27,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:27,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2025-03-17 15:51:27,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181707957] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:27,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:27,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-17 15:51:27,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042183911] [2025-03-17 15:51:27,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:27,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:51:27,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:27,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:51:27,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:27,906 INFO L87 Difference]: Start difference. First operand 197 states and 307 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 3 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:28,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:28,336 INFO L93 Difference]: Finished difference Result 197 states and 307 transitions. [2025-03-17 15:51:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:51:28,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 3 states have call predecessors, (194), 4 states have call successors, (194) Word has length 514 [2025-03-17 15:51:28,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:28,340 INFO L225 Difference]: With dead ends: 197 [2025-03-17 15:51:28,340 INFO L226 Difference]: Without dead ends: 196 [2025-03-17 15:51:28,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 1023 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:28,341 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 0 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:28,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 773 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2025-03-17 15:51:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2025-03-17 15:51:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 69 states have (on average 1.391304347826087) internal successors, (96), 89 states have internal predecessors, (96), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 306 transitions. [2025-03-17 15:51:28,355 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 306 transitions. Word has length 514 [2025-03-17 15:51:28,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:28,356 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 306 transitions. [2025-03-17 15:51:28,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 3 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 306 transitions. [2025-03-17 15:51:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2025-03-17 15:51:28,362 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:28,362 INFO L218 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:28,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:28,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:28,563 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:28,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1352375376, now seen corresponding path program 1 times [2025-03-17 15:51:28,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:28,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994491109] [2025-03-17 15:51:28,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:28,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:28,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 519 statements into 1 equivalence classes. [2025-03-17 15:51:28,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 519 of 519 statements. [2025-03-17 15:51:28,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:28,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:28,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:28,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994491109] [2025-03-17 15:51:28,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994491109] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:28,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285642508] [2025-03-17 15:51:28,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:28,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:28,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:28,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:28,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:51:28,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 519 statements into 1 equivalence classes. [2025-03-17 15:51:28,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 519 of 519 statements. [2025-03-17 15:51:28,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:28,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:28,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:29,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:29,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285642508] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:29,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:29,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:29,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112023262] [2025-03-17 15:51:29,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:29,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:29,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:29,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:29,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:29,691 INFO L87 Difference]: Start difference. First operand 196 states and 306 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 6 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 6 states have call predecessors, (291), 6 states have call successors, (291) [2025-03-17 15:51:30,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:30,021 INFO L93 Difference]: Finished difference Result 196 states and 306 transitions. [2025-03-17 15:51:30,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:30,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 6 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 6 states have call predecessors, (291), 6 states have call successors, (291) Word has length 519 [2025-03-17 15:51:30,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:30,026 INFO L225 Difference]: With dead ends: 196 [2025-03-17 15:51:30,027 INFO L226 Difference]: Without dead ends: 195 [2025-03-17 15:51:30,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:30,028 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 16 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:30,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 618 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-03-17 15:51:30,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2025-03-17 15:51:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 88 states have internal predecessors, (95), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 305 transitions. [2025-03-17 15:51:30,047 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 305 transitions. Word has length 519 [2025-03-17 15:51:30,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:30,048 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 305 transitions. [2025-03-17 15:51:30,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 6 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (291), 6 states have call predecessors, (291), 6 states have call successors, (291) [2025-03-17 15:51:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 305 transitions. [2025-03-17 15:51:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2025-03-17 15:51:30,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:30,053 INFO L218 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:30,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:30,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:30,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:30,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:30,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1026036253, now seen corresponding path program 1 times [2025-03-17 15:51:30,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:30,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250178615] [2025-03-17 15:51:30,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:30,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:30,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 520 statements into 1 equivalence classes. [2025-03-17 15:51:30,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 520 of 520 statements. [2025-03-17 15:51:30,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:30,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:30,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:30,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250178615] [2025-03-17 15:51:30,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250178615] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:30,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890416855] [2025-03-17 15:51:30,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:30,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:30,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:30,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:51:30,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 520 statements into 1 equivalence classes. [2025-03-17 15:51:30,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 520 of 520 statements. [2025-03-17 15:51:30,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:30,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:30,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:30,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:30,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 12 proven. 282 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:31,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890416855] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:31,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:31,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:31,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168791339] [2025-03-17 15:51:31,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:31,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:31,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:31,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:31,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:31,336 INFO L87 Difference]: Start difference. First operand 195 states and 305 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:31,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:31,695 INFO L93 Difference]: Finished difference Result 195 states and 305 transitions. [2025-03-17 15:51:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:31,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 520 [2025-03-17 15:51:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:31,699 INFO L225 Difference]: With dead ends: 195 [2025-03-17 15:51:31,699 INFO L226 Difference]: Without dead ends: 194 [2025-03-17 15:51:31,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 1036 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:31,700 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 6 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:31,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 705 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-03-17 15:51:31,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2025-03-17 15:51:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 87 states have internal predecessors, (94), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 304 transitions. [2025-03-17 15:51:31,719 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 304 transitions. Word has length 520 [2025-03-17 15:51:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:31,719 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 304 transitions. [2025-03-17 15:51:31,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 304 transitions. [2025-03-17 15:51:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2025-03-17 15:51:31,724 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:31,725 INFO L218 NwaCegarLoop]: trace histogram [99, 99, 99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:31,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:51:31,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:31,925 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:31,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:31,926 INFO L85 PathProgramCache]: Analyzing trace with hash 636282093, now seen corresponding path program 1 times [2025-03-17 15:51:31,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:31,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180680572] [2025-03-17 15:51:31,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:31,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 523 statements into 1 equivalence classes. [2025-03-17 15:51:31,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 523 of 523 statements. [2025-03-17 15:51:31,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:31,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:32,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180680572] [2025-03-17 15:51:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180680572] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089862565] [2025-03-17 15:51:32,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:32,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:32,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:32,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:32,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:51:32,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 523 statements into 1 equivalence classes. [2025-03-17 15:51:32,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 523 of 523 statements. [2025-03-17 15:51:32,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:32,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:32,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:32,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:32,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 19404 backedges. 6 proven. 288 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2025-03-17 15:51:32,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089862565] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:32,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:32,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-17 15:51:32,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432642074] [2025-03-17 15:51:32,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:32,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:51:32,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:32,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:51:32,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:32,989 INFO L87 Difference]: Start difference. First operand 194 states and 304 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:33,522 INFO L93 Difference]: Finished difference Result 194 states and 304 transitions. [2025-03-17 15:51:33,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:51:33,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 523 [2025-03-17 15:51:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:33,525 INFO L225 Difference]: With dead ends: 194 [2025-03-17 15:51:33,525 INFO L226 Difference]: Without dead ends: 193 [2025-03-17 15:51:33,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1050 GetRequests, 1041 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:33,525 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 3 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:33,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1065 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:51:33,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-03-17 15:51:33,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2025-03-17 15:51:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 86 states have internal predecessors, (93), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 303 transitions. [2025-03-17 15:51:33,541 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 303 transitions. Word has length 523 [2025-03-17 15:51:33,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:33,544 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 303 transitions. [2025-03-17 15:51:33,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 303 transitions. [2025-03-17 15:51:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2025-03-17 15:51:33,547 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:33,548 INFO L218 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:33,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 15:51:33,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:33,748 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:33,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1961814859, now seen corresponding path program 1 times [2025-03-17 15:51:33,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:33,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231960194] [2025-03-17 15:51:33,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:33,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:33,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 528 statements into 1 equivalence classes. [2025-03-17 15:51:33,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 528 of 528 statements. [2025-03-17 15:51:33,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:33,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:33,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:33,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231960194] [2025-03-17 15:51:33,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231960194] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:33,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757664704] [2025-03-17 15:51:33,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:33,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:33,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:33,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:33,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:51:34,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 528 statements into 1 equivalence classes. [2025-03-17 15:51:34,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 528 of 528 statements. [2025-03-17 15:51:34,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:34,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:34,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:34,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:34,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:34,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757664704] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:34,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:34,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:34,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648408515] [2025-03-17 15:51:34,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:34,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:34,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:34,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:34,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:34,839 INFO L87 Difference]: Start difference. First operand 193 states and 303 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) [2025-03-17 15:51:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:35,275 INFO L93 Difference]: Finished difference Result 193 states and 303 transitions. [2025-03-17 15:51:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) Word has length 528 [2025-03-17 15:51:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:35,278 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:51:35,279 INFO L226 Difference]: Without dead ends: 192 [2025-03-17 15:51:35,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:35,280 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 21 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:35,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1080 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-17 15:51:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2025-03-17 15:51:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 85 states have internal predecessors, (92), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 302 transitions. [2025-03-17 15:51:35,297 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 302 transitions. Word has length 528 [2025-03-17 15:51:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:35,297 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 302 transitions. [2025-03-17 15:51:35,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 6 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (290), 6 states have call predecessors, (290), 6 states have call successors, (290) [2025-03-17 15:51:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 302 transitions. [2025-03-17 15:51:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2025-03-17 15:51:35,300 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:35,301 INFO L218 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:35,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:35,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-17 15:51:35,501 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:35,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:35,502 INFO L85 PathProgramCache]: Analyzing trace with hash -686718446, now seen corresponding path program 1 times [2025-03-17 15:51:35,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:35,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901565944] [2025-03-17 15:51:35,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:35,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 529 statements into 1 equivalence classes. [2025-03-17 15:51:35,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 529 of 529 statements. [2025-03-17 15:51:35,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:35,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:35,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:35,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901565944] [2025-03-17 15:51:35,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901565944] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:35,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602486242] [2025-03-17 15:51:35,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:35,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:35,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:35,748 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:35,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:51:35,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 529 statements into 1 equivalence classes. [2025-03-17 15:51:35,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 529 of 529 statements. [2025-03-17 15:51:35,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:35,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:35,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:35,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:36,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 18 proven. 279 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:36,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602486242] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:36,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:36,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:36,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490944718] [2025-03-17 15:51:36,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:36,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:36,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:36,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:36,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:36,486 INFO L87 Difference]: Start difference. First operand 192 states and 302 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:36,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:36,812 INFO L93 Difference]: Finished difference Result 192 states and 302 transitions. [2025-03-17 15:51:36,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:36,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 529 [2025-03-17 15:51:36,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:36,816 INFO L225 Difference]: With dead ends: 192 [2025-03-17 15:51:36,816 INFO L226 Difference]: Without dead ends: 191 [2025-03-17 15:51:36,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1061 GetRequests, 1054 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:36,817 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 18 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:36,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 678 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-03-17 15:51:36,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2025-03-17 15:51:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 69 states have (on average 1.318840579710145) internal successors, (91), 84 states have internal predecessors, (91), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 301 transitions. [2025-03-17 15:51:36,829 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 301 transitions. Word has length 529 [2025-03-17 15:51:36,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:36,830 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 301 transitions. [2025-03-17 15:51:36,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 301 transitions. [2025-03-17 15:51:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2025-03-17 15:51:36,833 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:36,833 INFO L218 NwaCegarLoop]: trace histogram [100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:36,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:37,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:51:37,034 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:37,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1099956270, now seen corresponding path program 1 times [2025-03-17 15:51:37,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:37,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159715973] [2025-03-17 15:51:37,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:37,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-03-17 15:51:37,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-03-17 15:51:37,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:37,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 12 proven. 285 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2025-03-17 15:51:37,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:37,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159715973] [2025-03-17 15:51:37,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159715973] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:37,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920275782] [2025-03-17 15:51:37,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:37,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:37,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:37,281 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) [2025-03-17 15:51:37,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:51:37,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-03-17 15:51:37,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-03-17 15:51:37,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:37,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:37,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:51:37,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2025-03-17 15:51:37,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 369 proven. 783 refuted. 0 times theorem prover too weak. 18648 trivial. 0 not checked. [2025-03-17 15:51:38,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920275782] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:38,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:38,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-03-17 15:51:38,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108984278] [2025-03-17 15:51:38,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-17 15:51:38,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-17 15:51:38,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:51:38,372 INFO L87 Difference]: Start difference. First operand 191 states and 301 transitions. Second operand has 21 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) [2025-03-17 15:51:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:39,153 INFO L93 Difference]: Finished difference Result 195 states and 306 transitions. [2025-03-17 15:51:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:51:39,154 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) Word has length 532 [2025-03-17 15:51:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:39,157 INFO L225 Difference]: With dead ends: 195 [2025-03-17 15:51:39,157 INFO L226 Difference]: Without dead ends: 194 [2025-03-17 15:51:39,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1048 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:51:39,158 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 87 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:39,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1888 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:51:39,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-03-17 15:51:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2025-03-17 15:51:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 83 states have internal predecessors, (90), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 300 transitions. [2025-03-17 15:51:39,181 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 300 transitions. Word has length 532 [2025-03-17 15:51:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:39,182 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 300 transitions. [2025-03-17 15:51:39,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 11 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (296), 10 states have call predecessors, (296), 11 states have call successors, (296) [2025-03-17 15:51:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 300 transitions. [2025-03-17 15:51:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2025-03-17 15:51:39,186 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:39,187 INFO L218 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:39,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:39,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-17 15:51:39,387 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:39,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:39,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1035700516, now seen corresponding path program 1 times [2025-03-17 15:51:39,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:39,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009848044] [2025-03-17 15:51:39,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:39,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:39,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-03-17 15:51:39,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-03-17 15:51:39,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:39,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:39,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:39,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009848044] [2025-03-17 15:51:39,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009848044] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:39,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941213545] [2025-03-17 15:51:39,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:39,640 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) [2025-03-17 15:51:39,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:51:39,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-03-17 15:51:39,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-03-17 15:51:39,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:39,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:39,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:39,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:40,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:40,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941213545] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:40,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:40,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908880370] [2025-03-17 15:51:40,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:40,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:40,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:40,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:40,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:40,418 INFO L87 Difference]: Start difference. First operand 190 states and 300 transitions. Second operand has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) [2025-03-17 15:51:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:40,670 INFO L93 Difference]: Finished difference Result 190 states and 300 transitions. [2025-03-17 15:51:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) Word has length 537 [2025-03-17 15:51:40,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:40,673 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:51:40,673 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:51:40,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1069 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:40,674 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 30 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:40,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 722 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:51:40,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:51:40,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-03-17 15:51:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 69 states have (on average 1.289855072463768) internal successors, (89), 82 states have internal predecessors, (89), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2025-03-17 15:51:40,687 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 537 [2025-03-17 15:51:40,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:40,688 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2025-03-17 15:51:40,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 6 states have call successors, (288), 1 states have call predecessors, (288), 2 states have return successors, (289), 6 states have call predecessors, (289), 6 states have call successors, (289) [2025-03-17 15:51:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2025-03-17 15:51:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2025-03-17 15:51:40,690 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:40,690 INFO L218 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:40,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:40,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-17 15:51:40,891 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:40,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:40,892 INFO L85 PathProgramCache]: Analyzing trace with hash -2041944897, now seen corresponding path program 1 times [2025-03-17 15:51:40,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:40,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349770242] [2025-03-17 15:51:40,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:40,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:40,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 538 statements into 1 equivalence classes. [2025-03-17 15:51:40,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 538 of 538 statements. [2025-03-17 15:51:40,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:40,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 372 proven. 510 refuted. 0 times theorem prover too weak. 19318 trivial. 0 not checked. [2025-03-17 15:51:41,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:41,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349770242] [2025-03-17 15:51:41,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349770242] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:41,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351515184] [2025-03-17 15:51:41,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:41,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:41,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:41,364 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) [2025-03-17 15:51:41,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:51:41,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 538 statements into 1 equivalence classes. [2025-03-17 15:51:41,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 538 of 538 statements. [2025-03-17 15:51:41,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:41,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:41,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:41,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 24 proven. 276 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:41,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 24 proven. 276 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:42,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351515184] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:42,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:42,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2025-03-17 15:51:42,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522220161] [2025-03-17 15:51:42,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:42,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:51:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:42,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:51:42,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:51:42,212 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 18 states, 17 states have (on average 6.0) internal successors, (102), 18 states have internal predecessors, (102), 10 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) [2025-03-17 15:51:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:43,238 INFO L93 Difference]: Finished difference Result 205 states and 321 transitions. [2025-03-17 15:51:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:51:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.0) internal successors, (102), 18 states have internal predecessors, (102), 10 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) Word has length 538 [2025-03-17 15:51:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:43,241 INFO L225 Difference]: With dead ends: 205 [2025-03-17 15:51:43,241 INFO L226 Difference]: Without dead ends: 204 [2025-03-17 15:51:43,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1104 GetRequests, 1075 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=748, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:51:43,242 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 57 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:43,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1997 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:51:43,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-03-17 15:51:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 188. [2025-03-17 15:51:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 81 states have internal predecessors, (88), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 298 transitions. [2025-03-17 15:51:43,271 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 298 transitions. Word has length 538 [2025-03-17 15:51:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:43,272 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 298 transitions. [2025-03-17 15:51:43,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.0) internal successors, (102), 18 states have internal predecessors, (102), 10 states have call successors, (294), 1 states have call predecessors, (294), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) [2025-03-17 15:51:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 298 transitions. [2025-03-17 15:51:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2025-03-17 15:51:43,275 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:43,275 INFO L218 NwaCegarLoop]: trace histogram [101, 101, 101, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:43,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:43,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:51:43,480 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:43,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:43,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1958587527, now seen corresponding path program 1 times [2025-03-17 15:51:43,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:43,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829370581] [2025-03-17 15:51:43,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:43,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 541 statements into 1 equivalence classes. [2025-03-17 15:51:43,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 541 of 541 statements. [2025-03-17 15:51:43,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:43,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 42 proven. 552 refuted. 0 times theorem prover too weak. 19606 trivial. 0 not checked. [2025-03-17 15:51:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829370581] [2025-03-17 15:51:43,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829370581] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030457941] [2025-03-17 15:51:43,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:43,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:43,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:43,741 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) [2025-03-17 15:51:43,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:51:43,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 541 statements into 1 equivalence classes. [2025-03-17 15:51:43,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 541 of 541 statements. [2025-03-17 15:51:43,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:43,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:43,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:43,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:44,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2025-03-17 15:51:44,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030457941] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:44,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:44,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-03-17 15:51:44,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204249464] [2025-03-17 15:51:44,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:44,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:51:44,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:44,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:51:44,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:51:44,489 INFO L87 Difference]: Start difference. First operand 188 states and 298 transitions. Second operand has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (287), 1 states have call predecessors, (287), 2 states have return successors, (287), 5 states have call predecessors, (287), 5 states have call successors, (287) [2025-03-17 15:51:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:44,892 INFO L93 Difference]: Finished difference Result 188 states and 298 transitions. [2025-03-17 15:51:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:51:44,893 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (287), 1 states have call predecessors, (287), 2 states have return successors, (287), 5 states have call predecessors, (287), 5 states have call successors, (287) Word has length 541 [2025-03-17 15:51:44,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:44,897 INFO L225 Difference]: With dead ends: 188 [2025-03-17 15:51:44,897 INFO L226 Difference]: Without dead ends: 187 [2025-03-17 15:51:44,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1089 GetRequests, 1078 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:51:44,898 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 27 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:44,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 907 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:44,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-03-17 15:51:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2025-03-17 15:51:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 80 states have internal predecessors, (87), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 297 transitions. [2025-03-17 15:51:44,923 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 297 transitions. Word has length 541 [2025-03-17 15:51:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:44,924 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 297 transitions. [2025-03-17 15:51:44,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 5 states have call successors, (287), 1 states have call predecessors, (287), 2 states have return successors, (287), 5 states have call predecessors, (287), 5 states have call successors, (287) [2025-03-17 15:51:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 297 transitions. [2025-03-17 15:51:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2025-03-17 15:51:44,930 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:44,930 INFO L218 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:44,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:51:45,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 15:51:45,131 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:45,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash -117978751, now seen corresponding path program 1 times [2025-03-17 15:51:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:45,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625857582] [2025-03-17 15:51:45,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:45,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 546 statements into 1 equivalence classes. [2025-03-17 15:51:45,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 546 of 546 statements. [2025-03-17 15:51:45,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:45,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 24 proven. 279 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2025-03-17 15:51:45,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:45,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625857582] [2025-03-17 15:51:45,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625857582] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:45,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469527231] [2025-03-17 15:51:45,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:45,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:45,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:45,431 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) [2025-03-17 15:51:45,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:51:45,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 546 statements into 1 equivalence classes. [2025-03-17 15:51:45,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 546 of 546 statements. [2025-03-17 15:51:45,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:45,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:45,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-17 15:51:45,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 747 proven. 981 refuted. 0 times theorem prover too weak. 18876 trivial. 0 not checked. [2025-03-17 15:51:46,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 747 proven. 981 refuted. 0 times theorem prover too weak. 18876 trivial. 0 not checked. [2025-03-17 15:51:46,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469527231] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:46,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:46,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 15] total 28 [2025-03-17 15:51:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458458805] [2025-03-17 15:51:46,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:46,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-03-17 15:51:46,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:46,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-03-17 15:51:46,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:51:46,812 INFO L87 Difference]: Start difference. First operand 187 states and 297 transitions. Second operand has 29 states, 26 states have (on average 4.230769230769231) internal successors, (110), 26 states have internal predecessors, (110), 15 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (298), 15 states have call predecessors, (298), 15 states have call successors, (298) [2025-03-17 15:51:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:47,953 INFO L93 Difference]: Finished difference Result 195 states and 309 transitions. [2025-03-17 15:51:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:51:47,954 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 4.230769230769231) internal successors, (110), 26 states have internal predecessors, (110), 15 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (298), 15 states have call predecessors, (298), 15 states have call successors, (298) Word has length 546 [2025-03-17 15:51:47,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:47,956 INFO L225 Difference]: With dead ends: 195 [2025-03-17 15:51:47,956 INFO L226 Difference]: Without dead ends: 194 [2025-03-17 15:51:47,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=1378, Unknown=0, NotChecked=0, Total=1640 [2025-03-17 15:51:47,957 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 120 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:47,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 2742 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:51:47,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-03-17 15:51:47,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2025-03-17 15:51:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 79 states have internal predecessors, (86), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 296 transitions. [2025-03-17 15:51:47,973 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 296 transitions. Word has length 546 [2025-03-17 15:51:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:47,973 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 296 transitions. [2025-03-17 15:51:47,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 4.230769230769231) internal successors, (110), 26 states have internal predecessors, (110), 15 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (298), 15 states have call predecessors, (298), 15 states have call successors, (298) [2025-03-17 15:51:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 296 transitions. [2025-03-17 15:51:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2025-03-17 15:51:47,976 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:47,976 INFO L218 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:47,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:51:48,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:48,177 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:48,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:48,177 INFO L85 PathProgramCache]: Analyzing trace with hash 637626030, now seen corresponding path program 1 times [2025-03-17 15:51:48,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:48,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537937305] [2025-03-17 15:51:48,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:48,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:48,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 547 statements into 1 equivalence classes. [2025-03-17 15:51:48,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 547 of 547 statements. [2025-03-17 15:51:48,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:48,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 570 refuted. 0 times theorem prover too weak. 20004 trivial. 0 not checked. [2025-03-17 15:51:48,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537937305] [2025-03-17 15:51:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537937305] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021720025] [2025-03-17 15:51:48,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:48,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:48,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:48,539 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) [2025-03-17 15:51:48,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:51:48,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 547 statements into 1 equivalence classes. [2025-03-17 15:51:48,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 547 of 547 statements. [2025-03-17 15:51:48,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:48,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:48,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:48,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2025-03-17 15:51:48,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2025-03-17 15:51:49,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021720025] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:49,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:49,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2025-03-17 15:51:49,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133229933] [2025-03-17 15:51:49,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:49,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:51:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:49,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:51:49,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:51:49,316 INFO L87 Difference]: Start difference. First operand 186 states and 296 transitions. Second operand has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) [2025-03-17 15:51:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:50,267 INFO L93 Difference]: Finished difference Result 211 states and 329 transitions. [2025-03-17 15:51:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:51:50,268 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) Word has length 547 [2025-03-17 15:51:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:50,270 INFO L225 Difference]: With dead ends: 211 [2025-03-17 15:51:50,270 INFO L226 Difference]: Without dead ends: 210 [2025-03-17 15:51:50,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1117 GetRequests, 1090 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:51:50,271 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 67 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:50,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 2129 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:51:50,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2025-03-17 15:51:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 185. [2025-03-17 15:51:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 78 states have internal predecessors, (85), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 295 transitions. [2025-03-17 15:51:50,290 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 295 transitions. Word has length 547 [2025-03-17 15:51:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:50,290 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 295 transitions. [2025-03-17 15:51:50,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (293), 1 states have call predecessors, (293), 2 states have return successors, (295), 10 states have call predecessors, (295), 10 states have call successors, (295) [2025-03-17 15:51:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 295 transitions. [2025-03-17 15:51:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2025-03-17 15:51:50,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:50,293 INFO L218 NwaCegarLoop]: trace histogram [102, 102, 102, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:50,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:50,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:51:50,494 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:50,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1123276642, now seen corresponding path program 1 times [2025-03-17 15:51:50,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:50,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37370395] [2025-03-17 15:51:50,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:50,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:50,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 550 statements into 1 equivalence classes. [2025-03-17 15:51:50,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 550 of 550 statements. [2025-03-17 15:51:50,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:50,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 54 proven. 546 refuted. 0 times theorem prover too weak. 20004 trivial. 0 not checked. [2025-03-17 15:51:50,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37370395] [2025-03-17 15:51:50,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37370395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793324174] [2025-03-17 15:51:50,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:50,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:50,800 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) [2025-03-17 15:51:50,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:51:50,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 550 statements into 1 equivalence classes. [2025-03-17 15:51:50,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 550 of 550 statements. [2025-03-17 15:51:50,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:50,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:50,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:50,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 24 proven. 279 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2025-03-17 15:51:51,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 24 proven. 279 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2025-03-17 15:51:51,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793324174] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:51,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:51,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-03-17 15:51:51,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473825862] [2025-03-17 15:51:51,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:51,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:51:51,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:51,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:51:51,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:51:51,519 INFO L87 Difference]: Start difference. First operand 185 states and 295 transitions. Second operand has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (286), 5 states have call predecessors, (286), 5 states have call successors, (286) [2025-03-17 15:51:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:51,992 INFO L93 Difference]: Finished difference Result 185 states and 295 transitions. [2025-03-17 15:51:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:51:51,993 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (286), 5 states have call predecessors, (286), 5 states have call successors, (286) Word has length 550 [2025-03-17 15:51:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:51,995 INFO L225 Difference]: With dead ends: 185 [2025-03-17 15:51:51,995 INFO L226 Difference]: Without dead ends: 184 [2025-03-17 15:51:51,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1096 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:51:51,995 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 48 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:51,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 808 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:51,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-03-17 15:51:52,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2025-03-17 15:51:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 77 states have internal predecessors, (84), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 294 transitions. [2025-03-17 15:51:52,015 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 294 transitions. Word has length 550 [2025-03-17 15:51:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:52,016 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 294 transitions. [2025-03-17 15:51:52,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (286), 1 states have call predecessors, (286), 2 states have return successors, (286), 5 states have call predecessors, (286), 5 states have call successors, (286) [2025-03-17 15:51:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 294 transitions. [2025-03-17 15:51:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2025-03-17 15:51:52,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:52,019 INFO L218 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:52,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-17 15:51:52,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 15:51:52,220 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:52,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:52,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1161746792, now seen corresponding path program 1 times [2025-03-17 15:51:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656927304] [2025-03-17 15:51:52,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:52,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 555 statements into 1 equivalence classes. [2025-03-17 15:51:52,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 555 of 555 statements. [2025-03-17 15:51:52,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:52,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2025-03-17 15:51:52,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:52,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656927304] [2025-03-17 15:51:52,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656927304] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:52,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122462487] [2025-03-17 15:51:52,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:52,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:52,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:52,460 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) [2025-03-17 15:51:52,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:51:52,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 555 statements into 1 equivalence classes. [2025-03-17 15:51:52,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 555 of 555 statements. [2025-03-17 15:51:52,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:52,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:52,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-17 15:51:52,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 777 proven. 969 refuted. 0 times theorem prover too weak. 19266 trivial. 0 not checked. [2025-03-17 15:51:53,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 777 proven. 969 refuted. 0 times theorem prover too weak. 19266 trivial. 0 not checked. [2025-03-17 15:51:53,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122462487] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:53,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:53,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 15] total 28 [2025-03-17 15:51:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111552522] [2025-03-17 15:51:53,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:53,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-03-17 15:51:53,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:53,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-03-17 15:51:53,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:51:53,891 INFO L87 Difference]: Start difference. First operand 184 states and 294 transitions. Second operand has 29 states, 26 states have (on average 4.615384615384615) internal successors, (120), 26 states have internal predecessors, (120), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 15 states have call predecessors, (297), 15 states have call successors, (297) [2025-03-17 15:51:54,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:54,889 INFO L93 Difference]: Finished difference Result 192 states and 306 transitions. [2025-03-17 15:51:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:51:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 4.615384615384615) internal successors, (120), 26 states have internal predecessors, (120), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 15 states have call predecessors, (297), 15 states have call successors, (297) Word has length 555 [2025-03-17 15:51:54,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:54,892 INFO L225 Difference]: With dead ends: 192 [2025-03-17 15:51:54,892 INFO L226 Difference]: Without dead ends: 191 [2025-03-17 15:51:54,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1086 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=1378, Unknown=0, NotChecked=0, Total=1640 [2025-03-17 15:51:54,893 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 145 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:54,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2530 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:51:54,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-03-17 15:51:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2025-03-17 15:51:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 76 states have internal predecessors, (83), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 293 transitions. [2025-03-17 15:51:54,912 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 293 transitions. Word has length 555 [2025-03-17 15:51:54,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:54,913 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 293 transitions. [2025-03-17 15:51:54,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 4.615384615384615) internal successors, (120), 26 states have internal predecessors, (120), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 15 states have call predecessors, (297), 15 states have call successors, (297) [2025-03-17 15:51:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 293 transitions. [2025-03-17 15:51:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2025-03-17 15:51:54,915 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:54,916 INFO L218 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:54,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-17 15:51:55,116 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,SelfDestructingSolverStorable17 [2025-03-17 15:51:55,119 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:55,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1654412187, now seen corresponding path program 1 times [2025-03-17 15:51:55,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:55,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556923132] [2025-03-17 15:51:55,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:55,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 556 statements into 1 equivalence classes. [2025-03-17 15:51:55,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 556 of 556 statements. [2025-03-17 15:51:55,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:55,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2025-03-17 15:51:55,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556923132] [2025-03-17 15:51:55,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556923132] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179140682] [2025-03-17 15:51:55,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:55,304 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) [2025-03-17 15:51:55,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:51:55,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 556 statements into 1 equivalence classes. [2025-03-17 15:51:55,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 556 of 556 statements. [2025-03-17 15:51:55,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:55,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:55,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:55,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2025-03-17 15:51:55,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 36 proven. 270 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2025-03-17 15:51:56,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179140682] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:56,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:56,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:56,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506667334] [2025-03-17 15:51:56,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:56,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:56,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:56,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:56,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:56,011 INFO L87 Difference]: Start difference. First operand 183 states and 293 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:56,363 INFO L93 Difference]: Finished difference Result 183 states and 293 transitions. [2025-03-17 15:51:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:56,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 556 [2025-03-17 15:51:56,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:56,365 INFO L225 Difference]: With dead ends: 183 [2025-03-17 15:51:56,365 INFO L226 Difference]: Without dead ends: 182 [2025-03-17 15:51:56,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 1108 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:56,365 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 30 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:56,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 672 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-17 15:51:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2025-03-17 15:51:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 75 states have internal predecessors, (82), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 292 transitions. [2025-03-17 15:51:56,389 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 292 transitions. Word has length 556 [2025-03-17 15:51:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:56,389 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 292 transitions. [2025-03-17 15:51:56,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (193), 1 states have call predecessors, (193), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:51:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 292 transitions. [2025-03-17 15:51:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2025-03-17 15:51:56,392 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:56,392 INFO L218 NwaCegarLoop]: trace histogram [103, 103, 103, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:56,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:51:56,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:56,593 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:56,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1843743237, now seen corresponding path program 1 times [2025-03-17 15:51:56,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:56,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156398429] [2025-03-17 15:51:56,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:56,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:56,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 559 statements into 1 equivalence classes. [2025-03-17 15:51:56,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 559 of 559 statements. [2025-03-17 15:51:56,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:56,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 30 proven. 276 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2025-03-17 15:51:56,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:56,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156398429] [2025-03-17 15:51:56,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156398429] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:56,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625047017] [2025-03-17 15:51:56,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:56,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:56,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:56,765 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) [2025-03-17 15:51:56,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:51:56,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 559 statements into 1 equivalence classes. [2025-03-17 15:51:56,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 559 of 559 statements. [2025-03-17 15:51:56,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:56,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:56,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-17 15:51:56,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 777 proven. 969 refuted. 0 times theorem prover too weak. 19266 trivial. 0 not checked. [2025-03-17 15:51:57,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 21012 backedges. 777 proven. 969 refuted. 0 times theorem prover too weak. 19266 trivial. 0 not checked. [2025-03-17 15:51:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625047017] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:57,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:57,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 16] total 29 [2025-03-17 15:51:57,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142671778] [2025-03-17 15:51:57,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:57,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-17 15:51:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:57,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-17 15:51:57,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:51:57,920 INFO L87 Difference]: Start difference. First operand 182 states and 292 transitions. Second operand has 30 states, 27 states have (on average 4.703703703703703) internal successors, (127), 29 states have internal predecessors, (127), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 14 states have call predecessors, (297), 15 states have call successors, (297) [2025-03-17 15:51:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:59,058 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2025-03-17 15:51:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:51:59,059 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 4.703703703703703) internal successors, (127), 29 states have internal predecessors, (127), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 14 states have call predecessors, (297), 15 states have call successors, (297) Word has length 559 [2025-03-17 15:51:59,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:59,061 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:51:59,061 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:51:59,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1134 GetRequests, 1093 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=1473, Unknown=0, NotChecked=0, Total=1722 [2025-03-17 15:51:59,061 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 146 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:59,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 2363 Invalid, 2715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:51:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:51:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2025-03-17 15:51:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 69 states have (on average 1.173913043478261) internal successors, (81), 74 states have internal predecessors, (81), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:51:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 291 transitions. [2025-03-17 15:51:59,096 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 291 transitions. Word has length 559 [2025-03-17 15:51:59,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:59,096 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 291 transitions. [2025-03-17 15:51:59,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 4.703703703703703) internal successors, (127), 29 states have internal predecessors, (127), 15 states have call successors, (295), 1 states have call predecessors, (295), 2 states have return successors, (297), 14 states have call predecessors, (297), 15 states have call successors, (297) [2025-03-17 15:51:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 291 transitions. [2025-03-17 15:51:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2025-03-17 15:51:59,100 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:59,100 INFO L218 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:59,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:59,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:59,301 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:51:59,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:59,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1153824333, now seen corresponding path program 1 times [2025-03-17 15:51:59,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:59,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936930733] [2025-03-17 15:51:59,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:59,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 564 statements into 1 equivalence classes. [2025-03-17 15:51:59,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 564 of 564 statements. [2025-03-17 15:51:59,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:59,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2025-03-17 15:51:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936930733] [2025-03-17 15:51:59,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936930733] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273077828] [2025-03-17 15:51:59,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:59,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:59,502 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) [2025-03-17 15:51:59,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:51:59,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 564 statements into 1 equivalence classes. [2025-03-17 15:51:59,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 564 of 564 statements. [2025-03-17 15:51:59,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:59,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:59,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:51:59,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 453 proven. 747 refuted. 0 times theorem prover too weak. 20224 trivial. 0 not checked. [2025-03-17 15:51:59,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 453 proven. 747 refuted. 0 times theorem prover too weak. 20224 trivial. 0 not checked. [2025-03-17 15:52:00,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273077828] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:00,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:00,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:52:00,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241288638] [2025-03-17 15:52:00,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:00,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:52:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:00,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:52:00,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:52:00,418 INFO L87 Difference]: Start difference. First operand 181 states and 291 transitions. Second operand has 20 states, 18 states have (on average 7.111111111111111) internal successors, (128), 17 states have internal predecessors, (128), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) [2025-03-17 15:52:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:00,928 INFO L93 Difference]: Finished difference Result 185 states and 298 transitions. [2025-03-17 15:52:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:52:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.111111111111111) internal successors, (128), 17 states have internal predecessors, (128), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) Word has length 564 [2025-03-17 15:52:00,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:00,930 INFO L225 Difference]: With dead ends: 185 [2025-03-17 15:52:00,930 INFO L226 Difference]: Without dead ends: 184 [2025-03-17 15:52:00,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1138 GetRequests, 1113 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:52:00,931 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 185 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:00,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 1396 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:00,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-03-17 15:52:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2025-03-17 15:52:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 73 states have internal predecessors, (80), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:52:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 290 transitions. [2025-03-17 15:52:00,953 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 290 transitions. Word has length 564 [2025-03-17 15:52:00,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:00,954 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 290 transitions. [2025-03-17 15:52:00,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.111111111111111) internal successors, (128), 17 states have internal predecessors, (128), 11 states have call successors, (290), 1 states have call predecessors, (290), 2 states have return successors, (292), 11 states have call predecessors, (292), 11 states have call successors, (292) [2025-03-17 15:52:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2025-03-17 15:52:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2025-03-17 15:52:00,957 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:00,957 INFO L218 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:00,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-17 15:52:01,158 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,SelfDestructingSolverStorable20 [2025-03-17 15:52:01,158 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:52:01,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:01,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1408815946, now seen corresponding path program 1 times [2025-03-17 15:52:01,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:01,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927673728] [2025-03-17 15:52:01,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:01,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 565 statements into 1 equivalence classes. [2025-03-17 15:52:01,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 565 of 565 statements. [2025-03-17 15:52:01,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:01,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 42 proven. 267 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2025-03-17 15:52:01,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:01,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927673728] [2025-03-17 15:52:01,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927673728] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:01,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643148390] [2025-03-17 15:52:01,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:01,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:01,326 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) [2025-03-17 15:52:01,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:52:01,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 565 statements into 1 equivalence classes. [2025-03-17 15:52:01,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 565 of 565 statements. [2025-03-17 15:52:01,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:01,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:01,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-03-17 15:52:01,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 2667 proven. 1338 refuted. 0 times theorem prover too weak. 17419 trivial. 0 not checked. [2025-03-17 15:52:03,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 2667 proven. 1338 refuted. 0 times theorem prover too weak. 17419 trivial. 0 not checked. [2025-03-17 15:52:08,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643148390] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:08,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:08,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 32, 36] total 66 [2025-03-17 15:52:08,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100709148] [2025-03-17 15:52:08,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:08,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-17 15:52:08,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:08,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-17 15:52:08,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=4088, Unknown=0, NotChecked=0, Total=4422 [2025-03-17 15:52:08,819 INFO L87 Difference]: Start difference. First operand 180 states and 290 transitions. Second operand has 67 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 59 states have internal predecessors, (133), 36 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 35 states have call predecessors, (297), 36 states have call successors, (297) [2025-03-17 15:52:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:13,712 INFO L93 Difference]: Finished difference Result 219 states and 341 transitions. [2025-03-17 15:52:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-03-17 15:52:13,714 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 59 states have internal predecessors, (133), 36 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 35 states have call predecessors, (297), 36 states have call successors, (297) Word has length 565 [2025-03-17 15:52:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:13,716 INFO L225 Difference]: With dead ends: 219 [2025-03-17 15:52:13,716 INFO L226 Difference]: Without dead ends: 218 [2025-03-17 15:52:13,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1067 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=967, Invalid=10163, Unknown=0, NotChecked=0, Total=11130 [2025-03-17 15:52:13,720 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 147 mSDsluCounter, 4817 mSDsCounter, 0 mSdLazyCounter, 6437 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 4974 SdHoareTripleChecker+Invalid, 6571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 6437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:13,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 4974 Invalid, 6571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 6437 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-17 15:52:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-17 15:52:13,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 179. [2025-03-17 15:52:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 69 states have (on average 1.144927536231884) internal successors, (79), 72 states have internal predecessors, (79), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:52:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 289 transitions. [2025-03-17 15:52:13,750 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 289 transitions. Word has length 565 [2025-03-17 15:52:13,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:13,750 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 289 transitions. [2025-03-17 15:52:13,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 59 states have internal predecessors, (133), 36 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 35 states have call predecessors, (297), 36 states have call successors, (297) [2025-03-17 15:52:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2025-03-17 15:52:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2025-03-17 15:52:13,754 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:13,754 INFO L218 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:13,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:13,954 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,SelfDestructingSolverStorable21 [2025-03-17 15:52:13,955 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:52:13,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash -384579222, now seen corresponding path program 1 times [2025-03-17 15:52:13,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:13,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048391965] [2025-03-17 15:52:13,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:13,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:13,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 568 statements into 1 equivalence classes. [2025-03-17 15:52:13,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 568 of 568 statements. [2025-03-17 15:52:14,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:14,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2025-03-17 15:52:14,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048391965] [2025-03-17 15:52:14,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048391965] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:14,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223699684] [2025-03-17 15:52:14,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:14,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:14,168 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) [2025-03-17 15:52:14,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:52:14,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 568 statements into 1 equivalence classes. [2025-03-17 15:52:14,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 568 of 568 statements. [2025-03-17 15:52:14,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:14,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:14,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:52:14,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2025-03-17 15:52:14,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 36 proven. 273 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2025-03-17 15:52:14,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223699684] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:14,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:14,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-17 15:52:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721674831] [2025-03-17 15:52:14,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:14,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:52:14,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:14,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:52:14,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:52:14,984 INFO L87 Difference]: Start difference. First operand 179 states and 289 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:52:15,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:15,457 INFO L93 Difference]: Finished difference Result 179 states and 289 transitions. [2025-03-17 15:52:15,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:52:15,457 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) Word has length 568 [2025-03-17 15:52:15,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:15,459 INFO L225 Difference]: With dead ends: 179 [2025-03-17 15:52:15,459 INFO L226 Difference]: Without dead ends: 178 [2025-03-17 15:52:15,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1131 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:52:15,459 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 54 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:15,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 677 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-03-17 15:52:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2025-03-17 15:52:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:52:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 288 transitions. [2025-03-17 15:52:15,486 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 288 transitions. Word has length 568 [2025-03-17 15:52:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:15,487 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 288 transitions. [2025-03-17 15:52:15,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (194), 1 states have call predecessors, (194), 2 states have return successors, (194), 4 states have call predecessors, (194), 4 states have call successors, (194) [2025-03-17 15:52:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 288 transitions. [2025-03-17 15:52:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2025-03-17 15:52:15,489 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:15,490 INFO L218 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:15,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:15,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:15,690 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:52:15,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:15,691 INFO L85 PathProgramCache]: Analyzing trace with hash 188269556, now seen corresponding path program 1 times [2025-03-17 15:52:15,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:15,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696686741] [2025-03-17 15:52:15,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:15,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:15,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-03-17 15:52:15,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-03-17 15:52:15,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:15,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 42 proven. 270 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:15,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:15,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696686741] [2025-03-17 15:52:15,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696686741] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:15,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304852526] [2025-03-17 15:52:15,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:15,871 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) [2025-03-17 15:52:15,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:52:15,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-03-17 15:52:16,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-03-17 15:52:16,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:16,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:16,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:52:16,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2025-03-17 15:52:16,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 474 proven. 738 refuted. 0 times theorem prover too weak. 20628 trivial. 0 not checked. [2025-03-17 15:52:16,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304852526] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:16,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:16,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:52:16,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106423699] [2025-03-17 15:52:16,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:16,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:52:16,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:16,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:52:16,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:52:16,905 INFO L87 Difference]: Start difference. First operand 178 states and 288 transitions. Second operand has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) [2025-03-17 15:52:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:17,591 INFO L93 Difference]: Finished difference Result 182 states and 295 transitions. [2025-03-17 15:52:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:52:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) Word has length 573 [2025-03-17 15:52:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:17,594 INFO L225 Difference]: With dead ends: 182 [2025-03-17 15:52:17,594 INFO L226 Difference]: Without dead ends: 181 [2025-03-17 15:52:17,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1156 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:52:17,595 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 180 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:17,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1577 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:52:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-17 15:52:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2025-03-17 15:52:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 70 states have internal predecessors, (77), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:52:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 287 transitions. [2025-03-17 15:52:17,622 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 287 transitions. Word has length 573 [2025-03-17 15:52:17,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:17,622 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 287 transitions. [2025-03-17 15:52:17,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 11 states have call successors, (289), 1 states have call predecessors, (289), 2 states have return successors, (291), 11 states have call predecessors, (291), 11 states have call successors, (291) [2025-03-17 15:52:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2025-03-17 15:52:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2025-03-17 15:52:17,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:17,625 INFO L218 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:17,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-17 15:52:17,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:17,826 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:52:17,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1541388919, now seen corresponding path program 1 times [2025-03-17 15:52:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:17,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137786081] [2025-03-17 15:52:17,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:17,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 574 statements into 1 equivalence classes. [2025-03-17 15:52:17,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 574 of 574 statements. [2025-03-17 15:52:17,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:17,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:18,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:18,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137786081] [2025-03-17 15:52:18,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137786081] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:18,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369885620] [2025-03-17 15:52:18,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:18,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:18,492 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) [2025-03-17 15:52:18,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:52:18,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 574 statements into 1 equivalence classes. [2025-03-17 15:52:18,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 574 of 574 statements. [2025-03-17 15:52:18,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:18,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:18,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:52:18,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:18,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 48 proven. 264 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:19,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369885620] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:19,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:19,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 5, 5] total 23 [2025-03-17 15:52:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516008081] [2025-03-17 15:52:19,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:19,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-17 15:52:19,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:19,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-17 15:52:19,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:52:19,259 INFO L87 Difference]: Start difference. First operand 177 states and 287 transitions. Second operand has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 24 states have internal predecessors, (145), 14 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 13 states have call predecessors, (297), 14 states have call successors, (297) [2025-03-17 15:52:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:19,719 INFO L93 Difference]: Finished difference Result 177 states and 287 transitions. [2025-03-17 15:52:19,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:52:19,719 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 24 states have internal predecessors, (145), 14 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 13 states have call predecessors, (297), 14 states have call successors, (297) Word has length 574 [2025-03-17 15:52:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:19,721 INFO L225 Difference]: With dead ends: 177 [2025-03-17 15:52:19,721 INFO L226 Difference]: Without dead ends: 176 [2025-03-17 15:52:19,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1142 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2025-03-17 15:52:19,722 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 231 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:19,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 2167 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-17 15:52:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2025-03-17 15:52:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 69 states have internal predecessors, (76), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-17 15:52:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 286 transitions. [2025-03-17 15:52:19,769 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 286 transitions. Word has length 574 [2025-03-17 15:52:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:19,770 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 286 transitions. [2025-03-17 15:52:19,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 24 states have internal predecessors, (145), 14 states have call successors, (296), 1 states have call predecessors, (296), 2 states have return successors, (297), 13 states have call predecessors, (297), 14 states have call successors, (297) [2025-03-17 15:52:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2025-03-17 15:52:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2025-03-17 15:52:19,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:19,773 INFO L218 NwaCegarLoop]: trace histogram [105, 105, 105, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:19,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-17 15:52:19,973 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,SelfDestructingSolverStorable24 [2025-03-17 15:52:19,973 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 15:52:19,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:19,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2021902481, now seen corresponding path program 1 times [2025-03-17 15:52:19,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:19,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006332238] [2025-03-17 15:52:19,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:19,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-03-17 15:52:20,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-03-17 15:52:20,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:20,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 90 proven. 528 refuted. 0 times theorem prover too weak. 21222 trivial. 0 not checked. [2025-03-17 15:52:20,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006332238] [2025-03-17 15:52:20,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006332238] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712131553] [2025-03-17 15:52:20,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:20,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:20,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:20,296 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) [2025-03-17 15:52:20,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:52:20,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-03-17 15:52:20,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-03-17 15:52:20,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:20,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:20,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:52:20,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 42 proven. 270 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:20,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21840 backedges. 42 proven. 270 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2025-03-17 15:52:21,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712131553] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:21,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:21,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-03-17 15:52:21,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934253410] [2025-03-17 15:52:21,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:21,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:52:21,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:21,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:52:21,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:52:21,072 INFO L87 Difference]: Start difference. First operand 176 states and 286 transitions. Second operand has 11 states, 10 states have (on average 14.5) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (283), 1 states have call predecessors, (283), 2 states have return successors, (283), 5 states have call predecessors, (283), 5 states have call successors, (283) [2025-03-17 15:52:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:21,534 INFO L93 Difference]: Finished difference Result 176 states and 286 transitions. [2025-03-17 15:52:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:52:21,535 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.5) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (283), 1 states have call predecessors, (283), 2 states have return successors, (283), 5 states have call predecessors, (283), 5 states have call successors, (283) Word has length 577 [2025-03-17 15:52:21,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:21,536 INFO L225 Difference]: With dead ends: 176 [2025-03-17 15:52:21,536 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:52:21,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1150 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:52:21,537 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 63 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:21,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 775 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:52:21,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:52:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:52:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:52:21,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 577 [2025-03-17 15:52:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:21,538 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:52:21,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.5) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (283), 1 states have call predecessors, (283), 2 states have return successors, (283), 5 states have call predecessors, (283), 5 states have call successors, (283) [2025-03-17 15:52:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:52:21,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:52:21,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2025-03-17 15:52:21,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2025-03-17 15:52:21,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2025-03-17 15:52:21,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:21,743 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,SelfDestructingSolverStorable25 [2025-03-17 15:52:21,747 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:21,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:52:29,163 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:52:29,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:52:29 BoogieIcfgContainer [2025-03-17 15:52:29,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:52:29,168 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:52:29,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:52:29,168 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:52:29,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:20" (3/4) ... [2025-03-17 15:52:29,170 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:52:29,175 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-03-17 15:52:29,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-17 15:52:29,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:52:29,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:52:29,181 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:52:29,262 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:52:29,263 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:52:29,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:52:29,264 INFO L158 Benchmark]: Toolchain (without parser) took 70054.10ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 122.4MB in the beginning and 414.0MB in the end (delta: -291.7MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,264 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:52:29,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 109.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.65ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,265 INFO L158 Benchmark]: Boogie Preprocessor took 44.38ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:52:29,265 INFO L158 Benchmark]: IcfgBuilder took 485.05ms. Allocated memory is still 167.8MB. Free memory was 104.9MB in the beginning and 76.8MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,265 INFO L158 Benchmark]: TraceAbstraction took 69159.42ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 76.0MB in the beginning and 422.2MB in the end (delta: -346.2MB). Peak memory consumption was 298.5MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,266 INFO L158 Benchmark]: Witness Printer took 95.97ms. Allocated memory is still 578.8MB. Free memory was 422.2MB in the beginning and 414.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:29,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 109.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.65ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.38ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 485.05ms. Allocated memory is still 167.8MB. Free memory was 104.9MB in the beginning and 76.8MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 69159.42ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 76.0MB in the beginning and 422.2MB in the end (delta: -346.2MB). Peak memory consumption was 298.5MB. Max. memory is 16.1GB. * Witness Printer took 95.97ms. Allocated memory is still 578.8MB. Free memory was 422.2MB in the beginning and 414.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 180]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 180]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 176]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 176]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 174]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 174]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 173]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 173]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 170]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 170]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 168]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 168]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 167]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 167]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 165]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 165]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 164]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 164]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 161]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 161]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 212 locations, 431 edges, 32 error locations. Started 1 CEGAR loops. OverallTime: 61.7s, OverallIterations: 26, TraceHistogramMax: 105, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1691 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1691 mSDsluCounter, 36501 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31537 mSDsCounter, 1610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30709 IncrementalHoareTripleChecker+Invalid, 32319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1610 mSolverCounterUnsat, 4964 mSDtfsCounter, 30709 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26832 GetRequests, 26327 SyntacticMatches, 19 SemanticMatches, 486 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3587 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=0, InterpolantAutomatonStates: 273, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 26 MinimizatonAttempts, 116 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 32.0s InterpolantComputationTime, 27605 NumberOfCodeBlocks, 27605 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 40566 ConstructedInterpolants, 0 QuantifiedInterpolants, 97428 SizeOfPredicates, 77 NumberOfNonLiveVariables, 25143 ConjunctsInSsa, 409 ConjunctsInUnsatCore, 75 InterpolantComputations, 2 PerfectInterpolantSequences, 1495930/1526700 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 15:52:29,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE