./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:36:39,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:36:39,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:36:39,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:36:39,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:36:39,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:36:39,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:36:39,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:36:39,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:36:39,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:36:39,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:36:39,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:36:39,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:36:39,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:36:39,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:36:39,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:36:39,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:36:39,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:36:39,246 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-jdk21/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 -> f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 [2025-01-10 01:36:39,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:36:39,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:36:39,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:36:39,646 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:36:39,646 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:36:39,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2025-01-10 01:36:40,844 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86edb6ebd/e2c3a2995ffe4d7f929479b5e5554087/FLAG1edf09205 [2025-01-10 01:36:41,077 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:36:41,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2025-01-10 01:36:41,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86edb6ebd/e2c3a2995ffe4d7f929479b5e5554087/FLAG1edf09205 [2025-01-10 01:36:41,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86edb6ebd/e2c3a2995ffe4d7f929479b5e5554087 [2025-01-10 01:36:41,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:36:41,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:36:41,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:36:41,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:36:41,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:36:41,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556ea78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41, skipping insertion in model container [2025-01-10 01:36:41,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:36:41,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:36:41,253 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:36:41,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:36:41,284 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:36:41,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41 WrapperNode [2025-01-10 01:36:41,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:36:41,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:36:41,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:36:41,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:36:41,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,321 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2025-01-10 01:36:41,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:36:41,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:36:41,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:36:41,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:36:41,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,353 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:36:41,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:36:41,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:36:41,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:36:41,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:36:41,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (1/1) ... [2025-01-10 01:36:41,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:36:41,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:41,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:36:41,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:36:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:36:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:36:41,503 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:36:41,508 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:36:41,723 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-01-10 01:36:41,723 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:36:41,733 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:36:41,733 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:36:41,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:36:41 BoogieIcfgContainer [2025-01-10 01:36:41,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:36:41,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:36:41,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:36:41,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:36:41,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:36:41" (1/3) ... [2025-01-10 01:36:41,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542159ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:36:41, skipping insertion in model container [2025-01-10 01:36:41,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:36:41" (2/3) ... [2025-01-10 01:36:41,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542159ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:36:41, skipping insertion in model container [2025-01-10 01:36:41,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:36:41" (3/3) ... [2025-01-10 01:36:41,747 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt2-both-nt.c [2025-01-10 01:36:41,765 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:36:41,766 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt2-both-nt.c that has 1 procedures, 51 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-01-10 01:36:41,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:36:41,847 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;@35f7dcd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:36:41,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-01-10 01:36:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 50 states have internal predecessors, (52), 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) [2025-01-10 01:36:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-01-10 01:36:41,855 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:41,855 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-01-10 01:36:41,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:41,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:41,867 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 01:36:41,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:41,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909163653] [2025-01-10 01:36:41,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:41,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 01:36:41,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 01:36:41,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:41,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:42,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909163653] [2025-01-10 01:36:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909163653] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:42,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:42,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 01:36:42,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104801986] [2025-01-10 01:36:42,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:42,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:36:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:42,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:36:42,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:36:42,058 INFO L87 Difference]: Start difference. First operand has 51 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 50 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:42,070 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2025-01-10 01:36:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:36:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-01-10 01:36:42,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:42,076 INFO L225 Difference]: With dead ends: 55 [2025-01-10 01:36:42,076 INFO L226 Difference]: Without dead ends: 46 [2025-01-10 01:36:42,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:36:42,081 INFO L435 NwaCegarLoop]: 50 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, 50 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 [2025-01-10 01:36:42,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-01-10 01:36:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-01-10 01:36:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 25 states have (on average 1.84) internal successors, (46), 45 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2025-01-10 01:36:42,103 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 3 [2025-01-10 01:36:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:42,103 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2025-01-10 01:36:42,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2025-01-10 01:36:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 01:36:42,104 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:42,104 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 01:36:42,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:36:42,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:42,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2025-01-10 01:36:42,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:42,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28315306] [2025-01-10 01:36:42,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:42,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:36:42,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:36:42,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:42,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017933230] [2025-01-10 01:36:42,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:42,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:42,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:36:42,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:36:42,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:36:42,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:42,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:36:42,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:42,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:42,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28315306] [2025-01-10 01:36:42,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:42,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017933230] [2025-01-10 01:36:42,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017933230] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:42,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:42,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439447043] [2025-01-10 01:36:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:42,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:42,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:42,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:42,202 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:42,295 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2025-01-10 01:36:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:42,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-01-10 01:36:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:42,296 INFO L225 Difference]: With dead ends: 70 [2025-01-10 01:36:42,296 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:42,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:42,296 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:42,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 36 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 01:36:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 62 states have internal predecessors, (73), 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) [2025-01-10 01:36:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2025-01-10 01:36:42,306 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 4 [2025-01-10 01:36:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:42,306 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2025-01-10 01:36:42,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2025-01-10 01:36:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:36:42,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:42,306 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:36:42,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:42,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:42,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:42,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:42,513 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2025-01-10 01:36:42,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:42,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895583261] [2025-01-10 01:36:42,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:42,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:36:42,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:36:42,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:42,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895583261] [2025-01-10 01:36:42,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895583261] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:42,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:42,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:42,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161454650] [2025-01-10 01:36:42,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:42,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:42,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:42,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:42,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:42,558 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:42,633 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2025-01-10 01:36:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:36:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:42,634 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:36:42,634 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:42,635 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 [2025-01-10 01:36:42,635 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:42,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 42 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:42,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 01:36:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.7142857142857142) internal successors, (72), 62 states have internal predecessors, (72), 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) [2025-01-10 01:36:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2025-01-10 01:36:42,643 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 5 [2025-01-10 01:36:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:42,644 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2025-01-10 01:36:42,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2025-01-10 01:36:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:36:42,644 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:42,644 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:36:42,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:36:42,644 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:42,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash 889568262, now seen corresponding path program 1 times [2025-01-10 01:36:42,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:42,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592041666] [2025-01-10 01:36:42,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:42,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:36:42,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:36:42,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:42,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:42,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592041666] [2025-01-10 01:36:42,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592041666] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:42,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:42,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553222622] [2025-01-10 01:36:42,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:42,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:42,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:42,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:42,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:42,667 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:42,715 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2025-01-10 01:36:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:42,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:36:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:42,716 INFO L225 Difference]: With dead ends: 69 [2025-01-10 01:36:42,716 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:42,716 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 [2025-01-10 01:36:42,716 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:42,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 46 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 01:36:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.619047619047619) internal successors, (68), 62 states have internal predecessors, (68), 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) [2025-01-10 01:36:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2025-01-10 01:36:42,720 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 6 [2025-01-10 01:36:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:42,720 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2025-01-10 01:36:42,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2025-01-10 01:36:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 01:36:42,720 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:42,720 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:42,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:36:42,721 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:42,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash 176609320, now seen corresponding path program 1 times [2025-01-10 01:36:42,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:42,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14807484] [2025-01-10 01:36:42,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:42,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:36:42,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:36:42,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:42,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14807484] [2025-01-10 01:36:42,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14807484] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:42,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:42,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:42,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231336680] [2025-01-10 01:36:42,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:42,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:42,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:42,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:42,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:42,770 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:42,902 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2025-01-10 01:36:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:42,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-01-10 01:36:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:42,903 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:36:42,903 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:42,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:36:42,907 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 29 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:42,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 50 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:42,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 01:36:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 62 states have internal predecessors, (67), 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) [2025-01-10 01:36:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2025-01-10 01:36:42,911 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 8 [2025-01-10 01:36:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:42,911 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2025-01-10 01:36:42,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2025-01-10 01:36:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:36:42,911 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:42,911 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:42,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:36:42,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:42,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1034260588, now seen corresponding path program 1 times [2025-01-10 01:36:42,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:42,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323025189] [2025-01-10 01:36:42,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:42,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:42,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:36:42,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:36:42,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:42,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:43,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:43,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323025189] [2025-01-10 01:36:43,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323025189] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:43,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:43,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152665351] [2025-01-10 01:36:43,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:43,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:43,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:43,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:43,006 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:47,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:36:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:47,167 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2025-01-10 01:36:47,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:47,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:36:47,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:47,168 INFO L225 Difference]: With dead ends: 65 [2025-01-10 01:36:47,168 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 01:36:47,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:36:47,168 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:47,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 45 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-10 01:36:47,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 01:36:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 01:36:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 62 states have internal predecessors, (65), 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) [2025-01-10 01:36:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2025-01-10 01:36:47,174 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 12 [2025-01-10 01:36:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:47,174 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2025-01-10 01:36:47,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2025-01-10 01:36:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:36:47,175 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:47,175 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:47,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:36:47,175 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash -438147729, now seen corresponding path program 1 times [2025-01-10 01:36:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173026014] [2025-01-10 01:36:47,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:47,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:36:47,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:36:47,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:47,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:47,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367970004] [2025-01-10 01:36:47,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:47,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:47,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:47,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:36:47,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:36:47,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:36:47,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:47,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:47,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:47,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:47,387 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:47,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173026014] [2025-01-10 01:36:47,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367970004] [2025-01-10 01:36:47,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367970004] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:47,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:47,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:47,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890483726] [2025-01-10 01:36:47,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:47,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:47,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:47,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:47,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:47,388 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:47,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:47,445 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2025-01-10 01:36:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:47,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-01-10 01:36:47,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:47,445 INFO L225 Difference]: With dead ends: 64 [2025-01-10 01:36:47,446 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 01:36:47,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:47,446 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:47,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:47,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 01:36:47,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 01:36:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 62 states have internal predecessors, (64), 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) [2025-01-10 01:36:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2025-01-10 01:36:47,454 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 15 [2025-01-10 01:36:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:47,454 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2025-01-10 01:36:47,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2025-01-10 01:36:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:36:47,454 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:47,454 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:47,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:36:47,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:47,660 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:47,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:47,661 INFO L85 PathProgramCache]: Analyzing trace with hash -697677648, now seen corresponding path program 1 times [2025-01-10 01:36:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:47,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328813484] [2025-01-10 01:36:47,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:47,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:36:47,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:36:47,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:47,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931559106] [2025-01-10 01:36:47,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:47,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:47,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:47,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:36:47,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:36:47,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:36:47,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:47,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:47,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:47,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:47,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:47,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:47,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328813484] [2025-01-10 01:36:47,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:47,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931559106] [2025-01-10 01:36:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931559106] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:47,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:47,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:47,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059091975] [2025-01-10 01:36:47,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:47,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:47,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:47,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:47,793 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-01-10 01:36:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:47,846 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2025-01-10 01:36:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-10 01:36:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:47,847 INFO L225 Difference]: With dead ends: 64 [2025-01-10 01:36:47,848 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 01:36:47,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:47,849 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:47,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 01:36:47,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 01:36:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.5) internal successors, (63), 62 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2025-01-10 01:36:47,851 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 16 [2025-01-10 01:36:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:47,853 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2025-01-10 01:36:47,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-01-10 01:36:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2025-01-10 01:36:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:36:47,854 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:47,854 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:47,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:48,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:48,058 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:48,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1848277801, now seen corresponding path program 1 times [2025-01-10 01:36:48,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:48,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500449594] [2025-01-10 01:36:48,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:48,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:36:48,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:36:48,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:48,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500449594] [2025-01-10 01:36:48,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500449594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:48,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:48,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:48,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788798492] [2025-01-10 01:36:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:48,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:48,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:48,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:48,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:48,094 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-01-10 01:36:48,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:48,154 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2025-01-10 01:36:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:48,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-01-10 01:36:48,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:48,155 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:36:48,155 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:48,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:48,156 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:48,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2025-01-10 01:36:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 63 states have internal predecessors, (64), 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) [2025-01-10 01:36:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2025-01-10 01:36:48,159 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 20 [2025-01-10 01:36:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:48,160 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2025-01-10 01:36:48,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-01-10 01:36:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2025-01-10 01:36:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 01:36:48,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:48,160 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:48,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:36:48,160 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:48,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:48,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1462036906, now seen corresponding path program 1 times [2025-01-10 01:36:48,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659598816] [2025-01-10 01:36:48,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:48,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 01:36:48,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 01:36:48,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:48,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659598816] [2025-01-10 01:36:48,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659598816] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:48,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:48,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580594062] [2025-01-10 01:36:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:48,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:48,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:48,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:48,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:48,201 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2025-01-10 01:36:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:48,260 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2025-01-10 01:36:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:48,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-01-10 01:36:48,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:48,261 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:36:48,261 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:48,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:48,262 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:48,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-01-10 01:36:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 64 states have internal predecessors, (65), 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) [2025-01-10 01:36:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2025-01-10 01:36:48,265 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 21 [2025-01-10 01:36:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:48,265 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2025-01-10 01:36:48,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2025-01-10 01:36:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2025-01-10 01:36:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:36:48,266 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:48,266 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:48,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 01:36:48,266 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:48,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1921496249, now seen corresponding path program 1 times [2025-01-10 01:36:48,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:48,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135964415] [2025-01-10 01:36:48,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:48,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:48,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:48,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:48,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357235388] [2025-01-10 01:36:48,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:48,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:48,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:36:48,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:48,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:48,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:48,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:48,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:48,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:48,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135964415] [2025-01-10 01:36:48,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357235388] [2025-01-10 01:36:48,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357235388] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:48,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:48,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:48,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395790650] [2025-01-10 01:36:48,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:48,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:48,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:48,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:48,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:48,403 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:48,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:48,476 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2025-01-10 01:36:48,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:36:48,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-01-10 01:36:48,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:48,477 INFO L225 Difference]: With dead ends: 68 [2025-01-10 01:36:48,477 INFO L226 Difference]: Without dead ends: 67 [2025-01-10 01:36:48,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:36:48,477 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:48,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-01-10 01:36:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2025-01-10 01:36:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 65 states have internal predecessors, (66), 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) [2025-01-10 01:36:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2025-01-10 01:36:48,480 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 22 [2025-01-10 01:36:48,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:48,481 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2025-01-10 01:36:48,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2025-01-10 01:36:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:36:48,481 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:48,481 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:48,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:36:48,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 01:36:48,685 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 01:36:48,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:48,686 INFO L85 PathProgramCache]: Analyzing trace with hash -563158344, now seen corresponding path program 1 times [2025-01-10 01:36:48,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:48,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726613359] [2025-01-10 01:36:48,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:48,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:36:48,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:36:48,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:48,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543543391] [2025-01-10 01:36:48,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:48,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:48,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:48,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:48,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:36:48,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:36:48,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:36:48,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:36:48,713 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 01:36:48,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:36:48,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:36:48,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:48,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:36:48,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 01:36:48,723 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 01:36:48,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2025-01-10 01:36:48,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2025-01-10 01:36:48,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2025-01-10 01:36:48,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:36:48,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 01:36:48,929 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:48,941 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:36:48,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:36:48 BoogieIcfgContainer [2025-01-10 01:36:48,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:36:48,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:36:48,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:36:48,945 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:36:48,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:36:41" (3/4) ... [2025-01-10 01:36:48,947 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 01:36:48,974 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 2. [2025-01-10 01:36:49,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:36:49,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:36:49,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:36:49,004 INFO L158 Benchmark]: Toolchain (without parser) took 7874.66ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 69.3MB in the end (delta: 38.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2025-01-10 01:36:49,004 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:49,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 158.98ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 97.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:36:49,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.36ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:49,004 INFO L158 Benchmark]: Boogie Preprocessor took 41.00ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 997.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:49,006 INFO L158 Benchmark]: RCFGBuilder took 366.22ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 82.9MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 01:36:49,006 INFO L158 Benchmark]: TraceAbstraction took 7209.48ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 74.4MB in the end (delta: 7.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2025-01-10 01:36:49,006 INFO L158 Benchmark]: Witness Printer took 58.29ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 69.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:49,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 158.98ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 97.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.36ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.00ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 997.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.22ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 82.9MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7209.48ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 74.4MB in the end (delta: 7.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 58.29ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 69.3MB in the end (delta: 5.1MB). There was no memory consumed. 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 - CounterExampleResult [Line: 36]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int s, t, i, j; [L22] i = __VERIFIER_nondet_int() [L23] j = __VERIFIER_nondet_int() [L25] s = 1 [L26] t = 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 + i VAL [i=1, j=2147483647, s=1, t=1] [L28] COND TRUE t*t - 4*s + 2*t + 1 + i >= 0 VAL [i=1, j=2147483647, s=1, t=1] [L34] EXPR t + 2 [L34] t = t + 2 VAL [i=1, j=2147483647, s=1, t=3] [L35] EXPR s + t [L35] s = s + t VAL [i=1, j=2147483647, s=4, t=3] [L36] i + j VAL [s=4, t=3] - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 680 IncrementalHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 305 mSDtfsCounter, 680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=11, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 10 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 2 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2025-01-10 01:36:49,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)