./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/nla-digbench-scaling/bresenham-ll_unwindbound100.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 86018b7f3e582b94d83913c12d8eaea893434e1e96da49ea035805521496eb67 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:18:49,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:18:49,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:18:49,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:18:49,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:18:49,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:18:49,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:18:49,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:18:49,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:18:49,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:18:49,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:18:49,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:18:49,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:18:49,912 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:18:49,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:18:49,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:18:49,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:18:49,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:18:49,913 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 -> 86018b7f3e582b94d83913c12d8eaea893434e1e96da49ea035805521496eb67 [2025-02-08 09:18:50,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:18:50,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:18:50,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:18:50,168 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:18:50,168 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:18:50,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c [2025-02-08 09:18:51,428 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38fe088e6/3de200f775fe48df884f0c7bacd2ac90/FLAGac9cc8f9b [2025-02-08 09:18:51,654 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:18:51,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c [2025-02-08 09:18:51,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38fe088e6/3de200f775fe48df884f0c7bacd2ac90/FLAGac9cc8f9b [2025-02-08 09:18:51,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38fe088e6/3de200f775fe48df884f0c7bacd2ac90 [2025-02-08 09:18:51,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:18:51,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:18:51,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:18:51,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:18:51,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:18:51,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bab302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51, skipping insertion in model container [2025-02-08 09:18:51,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:18:51,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:18:51,851 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:18:51,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:18:51,877 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:18:51,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51 WrapperNode [2025-02-08 09:18:51,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:18:51,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:18:51,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:18:51,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:18:51,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,908 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-02-08 09:18:51,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:18:51,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:18:51,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:18:51,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:18:51,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,935 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:18:51,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,937 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:18:51,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:18:51,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:18:51,945 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:18:51,946 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (1/1) ... [2025-02-08 09:18:51,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:18:51,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:51,976 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) [2025-02-08 09:18:51,978 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 [2025-02-08 09:18:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:18:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:18:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:18:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:18:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:18:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:18:52,039 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:18:52,042 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:18:52,327 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-02-08 09:18:52,327 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:18:52,344 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:18:52,345 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:18:52,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:18:52 BoogieIcfgContainer [2025-02-08 09:18:52,346 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:18:52,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:18:52,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:18:52,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:18:52,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:18:51" (1/3) ... [2025-02-08 09:18:52,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@968b219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:18:52, skipping insertion in model container [2025-02-08 09:18:52,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:18:51" (2/3) ... [2025-02-08 09:18:52,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@968b219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:18:52, skipping insertion in model container [2025-02-08 09:18:52,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:18:52" (3/3) ... [2025-02-08 09:18:52,355 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound100.c [2025-02-08 09:18:52,369 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:18:52,370 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound100.c that has 2 procedures, 135 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-02-08 09:18:52,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:18:52,419 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;@79b50a1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:18:52,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-02-08 09:18:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-02-08 09:18:52,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:52,427 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-02-08 09:18:52,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:52,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash 5184, now seen corresponding path program 1 times [2025-02-08 09:18:52,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:52,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637644596] [2025-02-08 09:18:52,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:52,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:52,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 09:18:52,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 09:18:52,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:52,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:52,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:52,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637644596] [2025-02-08 09:18:52,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637644596] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:52,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:52,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:18:52,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669997192] [2025-02-08 09:18:52,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:52,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:52,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:52,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:52,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:52,616 INFO L87 Difference]: Start difference. First operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:52,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:52,755 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions. [2025-02-08 09:18:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:52,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2025-02-08 09:18:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:52,762 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:18:52,762 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 09:18:52,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:52,767 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:52,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 80 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 09:18:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-08 09:18:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 124 states have internal predecessors, (127), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2025-02-08 09:18:52,805 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 2 [2025-02-08 09:18:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:52,806 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2025-02-08 09:18:52,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2025-02-08 09:18:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:18:52,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:52,807 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:18:52,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:18:52,807 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:52,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash 160802, now seen corresponding path program 1 times [2025-02-08 09:18:52,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:52,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830300621] [2025-02-08 09:18:52,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:52,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:18:52,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:18:52,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:52,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:52,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:52,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830300621] [2025-02-08 09:18:52,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830300621] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:52,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:52,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:18:52,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590535462] [2025-02-08 09:18:52,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:52,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:52,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:52,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:52,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:52,843 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:52,920 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2025-02-08 09:18:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 09:18:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:52,925 INFO L225 Difference]: With dead ends: 127 [2025-02-08 09:18:52,925 INFO L226 Difference]: Without dead ends: 123 [2025-02-08 09:18:52,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:52,926 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:52,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 74 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-08 09:18:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-02-08 09:18:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.7826086956521738) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-02-08 09:18:52,935 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 3 [2025-02-08 09:18:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:52,935 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-02-08 09:18:52,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-02-08 09:18:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:18:52,935 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:52,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:18:52,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:18:52,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:52,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 4984958, now seen corresponding path program 1 times [2025-02-08 09:18:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:52,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611315510] [2025-02-08 09:18:52,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:52,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:18:52,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:18:52,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:52,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:52,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:52,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611315510] [2025-02-08 09:18:52,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611315510] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:52,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:52,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:18:52,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301411738] [2025-02-08 09:18:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:52,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:52,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:52,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:52,966 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:53,082 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-02-08 09:18:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:53,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:18:53,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:53,084 INFO L225 Difference]: With dead ends: 123 [2025-02-08 09:18:53,085 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 09:18:53,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,085 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 87 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:53,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 60 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:53,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 09:18:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-02-08 09:18:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-02-08 09:18:53,092 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 4 [2025-02-08 09:18:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:53,092 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-02-08 09:18:53,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-02-08 09:18:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:18:53,092 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:53,092 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:18:53,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:18:53,093 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:53,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:53,093 INFO L85 PathProgramCache]: Analyzing trace with hash 154533792, now seen corresponding path program 1 times [2025-02-08 09:18:53,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:53,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914934895] [2025-02-08 09:18:53,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:53,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:18:53,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:18:53,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:53,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914934895] [2025-02-08 09:18:53,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914934895] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:53,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:53,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:18:53,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277313608] [2025-02-08 09:18:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:53,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:53,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:53,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:53,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,123 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:53,217 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-02-08 09:18:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:53,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:18:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:53,218 INFO L225 Difference]: With dead ends: 122 [2025-02-08 09:18:53,218 INFO L226 Difference]: Without dead ends: 121 [2025-02-08 09:18:53,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,219 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:53,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 60 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-08 09:18:53,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-02-08 09:18:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2025-02-08 09:18:53,224 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 5 [2025-02-08 09:18:53,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:53,224 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2025-02-08 09:18:53,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2025-02-08 09:18:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:18:53,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:53,225 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:53,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:18:53,225 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:53,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:53,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1816878306, now seen corresponding path program 1 times [2025-02-08 09:18:53,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:53,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373960225] [2025-02-08 09:18:53,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:53,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:18:53,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:18:53,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:53,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:53,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373960225] [2025-02-08 09:18:53,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373960225] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:53,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:53,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:18:53,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937217024] [2025-02-08 09:18:53,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:53,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:53,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:53,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:53,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:53,281 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:53,322 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2025-02-08 09:18:53,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:53,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 09:18:53,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:53,324 INFO L225 Difference]: With dead ends: 169 [2025-02-08 09:18:53,324 INFO L226 Difference]: Without dead ends: 125 [2025-02-08 09:18:53,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:53,325 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:53,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 349 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:18:53,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-02-08 09:18:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-02-08 09:18:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2025-02-08 09:18:53,331 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 7 [2025-02-08 09:18:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:53,331 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2025-02-08 09:18:53,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2025-02-08 09:18:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:18:53,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:53,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:53,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:18:53,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:53,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:53,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1443662536, now seen corresponding path program 1 times [2025-02-08 09:18:53,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:53,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800854285] [2025-02-08 09:18:53,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:53,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:18:53,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:18:53,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:53,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215865667] [2025-02-08 09:18:53,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:53,345 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) [2025-02-08 09:18:53,347 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 [2025-02-08 09:18:53,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:18:53,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:18:53,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:53,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:18:53,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:53,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:53,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:53,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800854285] [2025-02-08 09:18:53,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:53,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215865667] [2025-02-08 09:18:53,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215865667] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:53,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:53,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:18:53,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188039078] [2025-02-08 09:18:53,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:53,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:53,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:53,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:53,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,403 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-08 09:18:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:53,545 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2025-02-08 09:18:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:53,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2025-02-08 09:18:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:53,551 INFO L225 Difference]: With dead ends: 193 [2025-02-08 09:18:53,551 INFO L226 Difference]: Without dead ends: 187 [2025-02-08 09:18:53,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,551 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:53,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:53,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-08 09:18:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2025-02-08 09:18:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 96 states have (on average 1.6979166666666667) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2025-02-08 09:18:53,565 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 10 [2025-02-08 09:18:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:53,565 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2025-02-08 09:18:53,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-08 09:18:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2025-02-08 09:18:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 09:18:53,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:53,565 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:53,572 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 [2025-02-08 09:18:53,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:53,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:53,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:53,767 INFO L85 PathProgramCache]: Analyzing trace with hash -85257866, now seen corresponding path program 1 times [2025-02-08 09:18:53,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:53,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483447472] [2025-02-08 09:18:53,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:53,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:18:53,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:18:53,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:53,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702336060] [2025-02-08 09:18:53,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:53,785 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) [2025-02-08 09:18:53,789 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 [2025-02-08 09:18:53,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:18:53,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:18:53,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:53,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:53,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:18:53,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:53,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:53,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:53,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483447472] [2025-02-08 09:18:53,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:53,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702336060] [2025-02-08 09:18:53,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702336060] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:53,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:53,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:18:53,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062856297] [2025-02-08 09:18:53,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:53,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:18:53,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:53,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:18:53,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,856 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2025-02-08 09:18:53,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:53,902 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2025-02-08 09:18:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:53,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 [2025-02-08 09:18:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:53,904 INFO L225 Difference]: With dead ends: 255 [2025-02-08 09:18:53,904 INFO L226 Difference]: Without dead ends: 249 [2025-02-08 09:18:53,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:18:53,905 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:53,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:18:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-08 09:18:53,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2025-02-08 09:18:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 147 states have (on average 1.6938775510204083) internal successors, (249), 196 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2025-02-08 09:18:53,919 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 12 [2025-02-08 09:18:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:53,919 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2025-02-08 09:18:53,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2025-02-08 09:18:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2025-02-08 09:18:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:18:53,921 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:53,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:53,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:18:54,125 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 [2025-02-08 09:18:54,126 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:54,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:54,127 INFO L85 PathProgramCache]: Analyzing trace with hash -328428108, now seen corresponding path program 1 times [2025-02-08 09:18:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115510939] [2025-02-08 09:18:54,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:54,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:18:54,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:18:54,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:54,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119166697] [2025-02-08 09:18:54,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:54,139 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) [2025-02-08 09:18:54,149 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 [2025-02-08 09:18:54,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:18:54,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:18:54,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:54,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:18:54,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:54,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:54,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:54,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115510939] [2025-02-08 09:18:54,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:54,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119166697] [2025-02-08 09:18:54,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119166697] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:54,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:54,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:54,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136839219] [2025-02-08 09:18:54,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:54,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:54,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:54,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:54,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:54,210 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:54,326 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2025-02-08 09:18:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:54,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 09:18:54,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:54,327 INFO L225 Difference]: With dead ends: 293 [2025-02-08 09:18:54,328 INFO L226 Difference]: Without dead ends: 291 [2025-02-08 09:18:54,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:54,328 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:54,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-08 09:18:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 202. [2025-02-08 09:18:54,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 197 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:54,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2025-02-08 09:18:54,335 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 14 [2025-02-08 09:18:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:54,335 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2025-02-08 09:18:54,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2025-02-08 09:18:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:18:54,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:54,336 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:54,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:18:54,536 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 [2025-02-08 09:18:54,537 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:54,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1591336682, now seen corresponding path program 1 times [2025-02-08 09:18:54,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:54,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598182445] [2025-02-08 09:18:54,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:54,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:18:54,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:18:54,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:54,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108156920] [2025-02-08 09:18:54,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:54,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:54,546 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) [2025-02-08 09:18:54,552 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 [2025-02-08 09:18:54,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:18:54,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:18:54,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:54,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:18:54,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:54,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598182445] [2025-02-08 09:18:54,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:54,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108156920] [2025-02-08 09:18:54,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108156920] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:54,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:54,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:54,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096768988] [2025-02-08 09:18:54,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:54,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:54,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:54,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:54,592 INFO L87 Difference]: Start difference. First operand 202 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:54,714 INFO L93 Difference]: Finished difference Result 292 states and 354 transitions. [2025-02-08 09:18:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:54,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 09:18:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:54,716 INFO L225 Difference]: With dead ends: 292 [2025-02-08 09:18:54,716 INFO L226 Difference]: Without dead ends: 290 [2025-02-08 09:18:54,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:54,717 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:54,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-02-08 09:18:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 203. [2025-02-08 09:18:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 198 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:54,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2025-02-08 09:18:54,722 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 15 [2025-02-08 09:18:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:54,723 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2025-02-08 09:18:54,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2025-02-08 09:18:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:18:54,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:54,723 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:54,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:54,927 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,SelfDestructingSolverStorable8 [2025-02-08 09:18:54,927 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:54,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2086796814, now seen corresponding path program 1 times [2025-02-08 09:18:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:54,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386799186] [2025-02-08 09:18:54,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:54,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:18:54,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:18:54,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:54,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379297039] [2025-02-08 09:18:54,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:54,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:54,937 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) [2025-02-08 09:18:54,939 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 [2025-02-08 09:18:54,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:18:54,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:18:54,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:54,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:54,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:18:54,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:54,978 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:54,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:54,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386799186] [2025-02-08 09:18:54,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:54,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379297039] [2025-02-08 09:18:54,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379297039] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:54,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:54,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:54,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825684164] [2025-02-08 09:18:54,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:54,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:54,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:54,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:54,979 INFO L87 Difference]: Start difference. First operand 203 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2025-02-08 09:18:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:55,085 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2025-02-08 09:18:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 [2025-02-08 09:18:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:55,086 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:18:55,086 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:18:55,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:55,087 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:55,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:55,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:18:55,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 203. [2025-02-08 09:18:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.651006711409396) internal successors, (246), 198 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2025-02-08 09:18:55,092 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 16 [2025-02-08 09:18:55,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:55,092 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2025-02-08 09:18:55,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-02-08 09:18:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2025-02-08 09:18:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:18:55,092 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:55,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:55,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:55,293 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,SelfDestructingSolverStorable9 [2025-02-08 09:18:55,293 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:55,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:55,294 INFO L85 PathProgramCache]: Analyzing trace with hash -266191724, now seen corresponding path program 1 times [2025-02-08 09:18:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293138202] [2025-02-08 09:18:55,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:55,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:18:55,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:18:55,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:55,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:55,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879867272] [2025-02-08 09:18:55,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:55,303 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:55,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:18:55,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:18:55,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:18:55,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:55,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:55,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:18:55,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:55,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:55,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:55,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293138202] [2025-02-08 09:18:55,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:55,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879867272] [2025-02-08 09:18:55,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879867272] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:55,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:55,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:55,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891159252] [2025-02-08 09:18:55,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:55,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:55,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:55,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:55,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:55,358 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-02-08 09:18:55,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:55,458 INFO L93 Difference]: Finished difference Result 276 states and 295 transitions. [2025-02-08 09:18:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:55,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2025-02-08 09:18:55,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:55,459 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:18:55,459 INFO L226 Difference]: Without dead ends: 274 [2025-02-08 09:18:55,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:55,460 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:55,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-08 09:18:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2025-02-08 09:18:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6308724832214765) internal successors, (243), 198 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2025-02-08 09:18:55,466 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 17 [2025-02-08 09:18:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:55,467 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2025-02-08 09:18:55,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-02-08 09:18:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2025-02-08 09:18:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:18:55,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:55,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:55,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:18:55,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:18:55,671 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:55,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash 337991216, now seen corresponding path program 1 times [2025-02-08 09:18:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451387433] [2025-02-08 09:18:55,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:55,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:18:55,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:18:55,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:55,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:55,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090745644] [2025-02-08 09:18:55,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:55,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:55,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:55,697 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:55,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:18:55,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:18:55,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:18:55,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:55,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:55,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:18:55,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:55,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:55,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:55,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451387433] [2025-02-08 09:18:55,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:55,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090745644] [2025-02-08 09:18:55,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090745644] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:55,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:55,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:55,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572247771] [2025-02-08 09:18:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:55,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:18:55,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:55,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:18:55,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:55,823 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2025-02-08 09:18:56,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:56,020 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2025-02-08 09:18:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:18:56,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2025-02-08 09:18:56,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:56,021 INFO L225 Difference]: With dead ends: 291 [2025-02-08 09:18:56,021 INFO L226 Difference]: Without dead ends: 289 [2025-02-08 09:18:56,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:56,029 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 216 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:56,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-08 09:18:56,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2025-02-08 09:18:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.611842105263158) internal successors, (245), 201 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2025-02-08 09:18:56,035 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 18 [2025-02-08 09:18:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:56,035 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2025-02-08 09:18:56,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2025-02-08 09:18:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2025-02-08 09:18:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:18:56,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:56,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:56,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:18:56,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:56,240 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:56,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1887793170, now seen corresponding path program 1 times [2025-02-08 09:18:56,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:56,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518897430] [2025-02-08 09:18:56,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:56,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:18:56,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:18:56,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:56,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:56,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660187166] [2025-02-08 09:18:56,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:56,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:56,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:18:56,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:18:56,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:18:56,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:56,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:56,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:18:56,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:56,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:56,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518897430] [2025-02-08 09:18:56,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660187166] [2025-02-08 09:18:56,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660187166] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:56,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:56,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:56,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428686720] [2025-02-08 09:18:56,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:56,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:18:56,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:56,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:18:56,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:56,344 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2025-02-08 09:18:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:56,532 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2025-02-08 09:18:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:18:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-08 09:18:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:56,533 INFO L225 Difference]: With dead ends: 290 [2025-02-08 09:18:56,533 INFO L226 Difference]: Without dead ends: 288 [2025-02-08 09:18:56,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:56,534 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:56,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-02-08 09:18:56,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 207. [2025-02-08 09:18:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 202 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2025-02-08 09:18:56,541 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 19 [2025-02-08 09:18:56,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:56,541 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2025-02-08 09:18:56,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2025-02-08 09:18:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2025-02-08 09:18:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:18:56,542 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:56,542 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] [2025-02-08 09:18:56,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:18:56,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:56,743 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:56,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:56,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1607953810, now seen corresponding path program 1 times [2025-02-08 09:18:56,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:56,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650083998] [2025-02-08 09:18:56,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:56,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:18:56,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:18:56,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:56,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189121461] [2025-02-08 09:18:56,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:56,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:56,755 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:18:56,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:18:56,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:18:56,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:56,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:56,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:18:56,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:56,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:56,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650083998] [2025-02-08 09:18:56,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189121461] [2025-02-08 09:18:56,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189121461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:56,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:56,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:56,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406620249] [2025-02-08 09:18:56,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:56,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:18:56,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:56,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:18:56,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:18:56,882 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2025-02-08 09:18:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:57,150 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2025-02-08 09:18:57,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:18:57,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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 [2025-02-08 09:18:57,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:57,151 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:18:57,151 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:18:57,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:57,152 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 371 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:57,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:18:57,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 208. [2025-02-08 09:18:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 203 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2025-02-08 09:18:57,159 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 20 [2025-02-08 09:18:57,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:57,159 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2025-02-08 09:18:57,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2025-02-08 09:18:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2025-02-08 09:18:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:18:57,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:57,159 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] [2025-02-08 09:18:57,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:57,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:57,360 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:57,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:57,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1693039504, now seen corresponding path program 1 times [2025-02-08 09:18:57,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:57,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614195046] [2025-02-08 09:18:57,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:57,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:18:57,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:18:57,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:57,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:57,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557357061] [2025-02-08 09:18:57,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:57,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:57,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:57,380 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:57,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:18:57,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:18:57,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:18:57,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:57,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:57,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:18:57,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:57,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:57,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614195046] [2025-02-08 09:18:57,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557357061] [2025-02-08 09:18:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557357061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:57,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:57,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:57,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90420809] [2025-02-08 09:18:57,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:57,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:18:57,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:57,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:18:57,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:18:57,537 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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) [2025-02-08 09:18:57,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:57,821 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2025-02-08 09:18:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:18:57,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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 [2025-02-08 09:18:57,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:57,823 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:18:57,823 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:18:57,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:57,825 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 369 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:57,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:18:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 209. [2025-02-08 09:18:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 204 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2025-02-08 09:18:57,833 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 21 [2025-02-08 09:18:57,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:57,833 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2025-02-08 09:18:57,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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) [2025-02-08 09:18:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2025-02-08 09:18:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:18:57,834 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:57,834 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, 1] [2025-02-08 09:18:57,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:18:58,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:18:58,038 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:58,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1538966250, now seen corresponding path program 1 times [2025-02-08 09:18:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:58,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198145609] [2025-02-08 09:18:58,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:58,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:58,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:18:58,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:18:58,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:58,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:58,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798168324] [2025-02-08 09:18:58,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:58,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:58,056 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:58,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:18:58,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:18:58,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:18:58,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:58,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:58,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:18:58,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:58,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:58,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:58,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198145609] [2025-02-08 09:18:58,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:58,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798168324] [2025-02-08 09:18:58,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798168324] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:58,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:58,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:58,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595167364] [2025-02-08 09:18:58,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:58,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:18:58,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:58,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:18:58,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:18:58,267 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:58,634 INFO L93 Difference]: Finished difference Result 270 states and 332 transitions. [2025-02-08 09:18:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:18:58,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-08 09:18:58,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:58,636 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:18:58,636 INFO L226 Difference]: Without dead ends: 266 [2025-02-08 09:18:58,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:58,637 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 258 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:58,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 146 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:18:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-02-08 09:18:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 210. [2025-02-08 09:18:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 158 states have (on average 1.5506329113924051) internal successors, (245), 205 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 251 transitions. [2025-02-08 09:18:58,643 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 251 transitions. Word has length 24 [2025-02-08 09:18:58,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:58,644 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 251 transitions. [2025-02-08 09:18:58,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2025-02-08 09:18:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:18:58,646 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:58,646 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, 1, 1] [2025-02-08 09:18:58,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:18:58,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 09:18:58,850 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:58,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash 463313548, now seen corresponding path program 1 times [2025-02-08 09:18:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:58,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392797608] [2025-02-08 09:18:58,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:58,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:18:58,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:18:58,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:58,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:58,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579688033] [2025-02-08 09:18:58,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:58,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:58,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:58,869 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:58,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:18:58,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:18:58,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:18:58,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:58,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:58,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:18:58,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:59,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:59,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:59,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392797608] [2025-02-08 09:18:59,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:59,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579688033] [2025-02-08 09:18:59,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579688033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:59,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:59,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331739790] [2025-02-08 09:18:59,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:59,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:18:59,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:59,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:18:59,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:18:59,051 INFO L87 Difference]: Start difference. First operand 210 states and 251 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2025-02-08 09:18:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:59,305 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2025-02-08 09:18:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:18:59,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2025-02-08 09:18:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:59,306 INFO L225 Difference]: With dead ends: 268 [2025-02-08 09:18:59,306 INFO L226 Difference]: Without dead ends: 264 [2025-02-08 09:18:59,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:59,307 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 257 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:59,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 146 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:59,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-02-08 09:18:59,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 209. [2025-02-08 09:18:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.528301886792453) internal successors, (243), 204 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2025-02-08 09:18:59,312 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 25 [2025-02-08 09:18:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:59,312 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2025-02-08 09:18:59,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2025-02-08 09:18:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2025-02-08 09:18:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:18:59,312 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:59,313 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, 1, 1, 1] [2025-02-08 09:18:59,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:18:59,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:18:59,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:59,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:59,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1477818152, now seen corresponding path program 1 times [2025-02-08 09:18:59,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595708678] [2025-02-08 09:18:59,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:59,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:59,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:18:59,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:18:59,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:59,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:59,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:59,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595708678] [2025-02-08 09:18:59,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595708678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:59,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:59,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:59,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565073760] [2025-02-08 09:18:59,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:59,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:59,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:59,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:59,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:59,573 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-02-08 09:18:59,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:59,738 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2025-02-08 09:18:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:59,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2025-02-08 09:18:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:59,739 INFO L225 Difference]: With dead ends: 234 [2025-02-08 09:18:59,740 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 09:18:59,740 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 [2025-02-08 09:18:59,740 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:59,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:59,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 09:18:59,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2025-02-08 09:18:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.51875) internal successors, (243), 205 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 249 transitions. [2025-02-08 09:18:59,745 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 249 transitions. Word has length 26 [2025-02-08 09:18:59,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:59,745 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 249 transitions. [2025-02-08 09:18:59,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-02-08 09:18:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 249 transitions. [2025-02-08 09:18:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:18:59,746 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:59,746 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, 1, 1, 1, 1] [2025-02-08 09:18:59,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:18:59,746 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:59,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:59,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1432277494, now seen corresponding path program 1 times [2025-02-08 09:18:59,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:59,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037579656] [2025-02-08 09:18:59,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:59,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:59,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:18:59,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:18:59,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:59,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:59,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:59,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037579656] [2025-02-08 09:18:59,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037579656] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:59,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:59,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:59,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928622766] [2025-02-08 09:18:59,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:59,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:59,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:59,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:59,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:59,795 INFO L87 Difference]: Start difference. First operand 210 states and 249 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:18:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:59,968 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2025-02-08 09:18:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:18:59,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2025-02-08 09:18:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:59,969 INFO L225 Difference]: With dead ends: 228 [2025-02-08 09:18:59,969 INFO L226 Difference]: Without dead ends: 226 [2025-02-08 09:18:59,969 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 [2025-02-08 09:18:59,970 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:59,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:59,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-08 09:18:59,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2025-02-08 09:18:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 206 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:59,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2025-02-08 09:18:59,975 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 27 [2025-02-08 09:18:59,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:59,975 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2025-02-08 09:18:59,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-02-08 09:18:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2025-02-08 09:18:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:18:59,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:59,975 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:59,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 09:18:59,976 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:18:59,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1376557365, now seen corresponding path program 1 times [2025-02-08 09:18:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779539059] [2025-02-08 09:18:59,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:59,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:18:59,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:18:59,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:59,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779539059] [2025-02-08 09:19:00,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779539059] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:00,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540867474] [2025-02-08 09:19:00,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:00,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:00,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,023 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,155 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2025-02-08 09:19:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:00,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-02-08 09:19:00,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,156 INFO L225 Difference]: With dead ends: 227 [2025-02-08 09:19:00,156 INFO L226 Difference]: Without dead ends: 226 [2025-02-08 09:19:00,157 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 [2025-02-08 09:19:00,157 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 172 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-08 09:19:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2025-02-08 09:19:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.503030303030303) internal successors, (248), 210 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2025-02-08 09:19:00,163 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 37 [2025-02-08 09:19:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,164 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2025-02-08 09:19:00,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2025-02-08 09:19:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:19:00,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,164 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 09:19:00,165 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,165 INFO L85 PathProgramCache]: Analyzing trace with hash -276394624, now seen corresponding path program 1 times [2025-02-08 09:19:00,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155041458] [2025-02-08 09:19:00,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:19:00,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:19:00,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155041458] [2025-02-08 09:19:00,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155041458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:00,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632965910] [2025-02-08 09:19:00,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:00,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:00,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,220 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,286 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2025-02-08 09:19:00,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:00,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-02-08 09:19:00,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,287 INFO L225 Difference]: With dead ends: 215 [2025-02-08 09:19:00,288 INFO L226 Difference]: Without dead ends: 214 [2025-02-08 09:19:00,288 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 [2025-02-08 09:19:00,288 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 140 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:00,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-08 09:19:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-08 09:19:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.490909090909091) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-02-08 09:19:00,293 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 38 [2025-02-08 09:19:00,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,293 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-02-08 09:19:00,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-02-08 09:19:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:19:00,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,294 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-08 09:19:00,294 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,295 INFO L85 PathProgramCache]: Analyzing trace with hash 65599298, now seen corresponding path program 1 times [2025-02-08 09:19:00,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208252652] [2025-02-08 09:19:00,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:19:00,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:19:00,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208252652] [2025-02-08 09:19:00,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208252652] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:00,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004328785] [2025-02-08 09:19:00,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:00,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:00,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,331 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,429 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2025-02-08 09:19:00,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:00,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-02-08 09:19:00,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,431 INFO L225 Difference]: With dead ends: 214 [2025-02-08 09:19:00,431 INFO L226 Difference]: Without dead ends: 213 [2025-02-08 09:19:00,431 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 [2025-02-08 09:19:00,432 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 63 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 112 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-08 09:19:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-02-08 09:19:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4848484848484849) internal successors, (245), 208 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 251 transitions. [2025-02-08 09:19:00,438 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 251 transitions. Word has length 39 [2025-02-08 09:19:00,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,438 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 251 transitions. [2025-02-08 09:19:00,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2025-02-08 09:19:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:19:00,438 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-08 09:19:00,439 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,439 INFO L85 PathProgramCache]: Analyzing trace with hash 672739326, now seen corresponding path program 1 times [2025-02-08 09:19:00,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682319437] [2025-02-08 09:19:00,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:19:00,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:19:00,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682319437] [2025-02-08 09:19:00,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682319437] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752037267] [2025-02-08 09:19:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:00,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,475 INFO L87 Difference]: Start difference. First operand 213 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,532 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2025-02-08 09:19:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:00,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-02-08 09:19:00,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,533 INFO L225 Difference]: With dead ends: 233 [2025-02-08 09:19:00,533 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 09:19:00,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,533 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:00,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 09:19:00,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2025-02-08 09:19:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.461111111111111) internal successors, (263), 223 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2025-02-08 09:19:00,539 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 40 [2025-02-08 09:19:00,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,539 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2025-02-08 09:19:00,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2025-02-08 09:19:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:19:00,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,539 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 09:19:00,540 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2033578271, now seen corresponding path program 1 times [2025-02-08 09:19:00,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776897873] [2025-02-08 09:19:00,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:19:00,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:19:00,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776897873] [2025-02-08 09:19:00,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776897873] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:00,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38543595] [2025-02-08 09:19:00,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:00,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:00,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:00,602 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,752 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2025-02-08 09:19:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:00,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-02-08 09:19:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,753 INFO L225 Difference]: With dead ends: 229 [2025-02-08 09:19:00,753 INFO L226 Difference]: Without dead ends: 228 [2025-02-08 09:19:00,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:00,754 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 151 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 160 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-08 09:19:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-08 09:19:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 223 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2025-02-08 09:19:00,759 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 40 [2025-02-08 09:19:00,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,760 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2025-02-08 09:19:00,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2025-02-08 09:19:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:19:00,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-08 09:19:00,761 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1383583008, now seen corresponding path program 1 times [2025-02-08 09:19:00,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176014808] [2025-02-08 09:19:00,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:19:00,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:19:00,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176014808] [2025-02-08 09:19:00,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176014808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139885346] [2025-02-08 09:19:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:00,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:00,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:00,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,796 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:00,843 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2025-02-08 09:19:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-02-08 09:19:00,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:00,844 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:19:00,844 INFO L226 Difference]: Without dead ends: 268 [2025-02-08 09:19:00,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:00,845 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:00,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 312 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-08 09:19:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-02-08 09:19:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.4308510638297873) internal successors, (269), 231 states have internal predecessors, (269), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2025-02-08 09:19:00,850 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 41 [2025-02-08 09:19:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:00,851 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2025-02-08 09:19:00,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2025-02-08 09:19:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:19:00,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:00,851 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:00,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-02-08 09:19:00,851 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:00,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:00,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1259876048, now seen corresponding path program 1 times [2025-02-08 09:19:00,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:00,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238019066] [2025-02-08 09:19:00,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:00,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:19:00,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:19:00,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:00,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238019066] [2025-02-08 09:19:00,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238019066] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:00,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008322978] [2025-02-08 09:19:00,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:00,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:00,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:19:00,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:19:00,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:19:00,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:00,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:00,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:00,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:00,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:00,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008322978] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:00,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:00,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-02-08 09:19:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312422203] [2025-02-08 09:19:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:00,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:00,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:01,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:01,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:01,001 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:01,033 INFO L93 Difference]: Finished difference Result 236 states and 275 transitions. [2025-02-08 09:19:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:19:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-02-08 09:19:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:01,034 INFO L225 Difference]: With dead ends: 236 [2025-02-08 09:19:01,034 INFO L226 Difference]: Without dead ends: 235 [2025-02-08 09:19:01,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:01,035 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 157 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:01,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 223 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:01,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-02-08 09:19:01,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2025-02-08 09:19:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 188 states have (on average 1.4202127659574468) internal successors, (267), 230 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 273 transitions. [2025-02-08 09:19:01,041 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 273 transitions. Word has length 43 [2025-02-08 09:19:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:01,041 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 273 transitions. [2025-02-08 09:19:01,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 273 transitions. [2025-02-08 09:19:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:19:01,042 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:01,042 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:01,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:19:01,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:01,243 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:01,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash 401451912, now seen corresponding path program 1 times [2025-02-08 09:19:01,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:01,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483843265] [2025-02-08 09:19:01,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:01,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:01,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:19:01,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:19:01,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:01,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:01,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:01,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483843265] [2025-02-08 09:19:01,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483843265] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:01,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401091162] [2025-02-08 09:19:01,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:01,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:01,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:01,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:19:01,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:19:01,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:19:01,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:01,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:01,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:01,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:01,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:01,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401091162] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:01,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:01,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-02-08 09:19:01,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347480586] [2025-02-08 09:19:01,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:01,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:19:01,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:01,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:19:01,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:19:01,473 INFO L87 Difference]: Start difference. First operand 235 states and 273 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:19:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:01,569 INFO L93 Difference]: Finished difference Result 650 states and 770 transitions. [2025-02-08 09:19:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:19:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2025-02-08 09:19:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:01,571 INFO L225 Difference]: With dead ends: 650 [2025-02-08 09:19:01,571 INFO L226 Difference]: Without dead ends: 587 [2025-02-08 09:19:01,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:19:01,572 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 264 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:01,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1111 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-02-08 09:19:01,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 413. [2025-02-08 09:19:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.4596100278551531) internal successors, (524), 401 states have internal predecessors, (524), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 538 transitions. [2025-02-08 09:19:01,589 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 538 transitions. Word has length 44 [2025-02-08 09:19:01,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:01,589 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 538 transitions. [2025-02-08 09:19:01,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:19:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 538 transitions. [2025-02-08 09:19:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:19:01,590 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:01,590 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:01,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:01,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:19:01,791 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:01,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:01,792 INFO L85 PathProgramCache]: Analyzing trace with hash -751766458, now seen corresponding path program 1 times [2025-02-08 09:19:01,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:01,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753829553] [2025-02-08 09:19:01,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:01,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:19:01,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:19:01,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:01,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:01,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498675139] [2025-02-08 09:19:01,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:01,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:01,803 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:01,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:19:01,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:19:01,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:19:01,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:01,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:01,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:01,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:02,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:02,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:02,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753829553] [2025-02-08 09:19:02,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:02,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498675139] [2025-02-08 09:19:02,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498675139] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:02,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:02,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:02,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234100035] [2025-02-08 09:19:02,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:02,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:02,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:02,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:02,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:02,283 INFO L87 Difference]: Start difference. First operand 413 states and 538 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:02,750 INFO L93 Difference]: Finished difference Result 413 states and 538 transitions. [2025-02-08 09:19:02,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:02,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2025-02-08 09:19:02,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:02,751 INFO L225 Difference]: With dead ends: 413 [2025-02-08 09:19:02,751 INFO L226 Difference]: Without dead ends: 409 [2025-02-08 09:19:02,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:02,752 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 318 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:02,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 205 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:19:02,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-08 09:19:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-02-08 09:19:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 359 states have (on average 1.4038997214484679) internal successors, (504), 397 states have internal predecessors, (504), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 518 transitions. [2025-02-08 09:19:02,767 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 518 transitions. Word has length 46 [2025-02-08 09:19:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:02,767 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 518 transitions. [2025-02-08 09:19:02,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 518 transitions. [2025-02-08 09:19:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:19:02,768 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:02,768 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:02,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:02,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:19:02,972 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1829923636, now seen corresponding path program 1 times [2025-02-08 09:19:02,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:02,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649007944] [2025-02-08 09:19:02,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:02,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:02,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:19:02,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:19:02,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:02,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:02,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956315049] [2025-02-08 09:19:02,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:02,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:02,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:02,983 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:02,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:19:03,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:19:03,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:19:03,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:03,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:03,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:03,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:03,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:03,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649007944] [2025-02-08 09:19:03,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956315049] [2025-02-08 09:19:03,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956315049] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:03,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:03,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:03,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366877520] [2025-02-08 09:19:03,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:03,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:03,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:03,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:03,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:03,726 INFO L87 Difference]: Start difference. First operand 409 states and 518 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:04,108 INFO L93 Difference]: Finished difference Result 409 states and 518 transitions. [2025-02-08 09:19:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:04,108 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2025-02-08 09:19:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:04,110 INFO L225 Difference]: With dead ends: 409 [2025-02-08 09:19:04,110 INFO L226 Difference]: Without dead ends: 407 [2025-02-08 09:19:04,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:04,114 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 232 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:04,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 226 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:19:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-08 09:19:04,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-08 09:19:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 359 states have (on average 1.3816155988857939) internal successors, (496), 395 states have internal predecessors, (496), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 510 transitions. [2025-02-08 09:19:04,127 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 510 transitions. Word has length 47 [2025-02-08 09:19:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:04,127 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 510 transitions. [2025-02-08 09:19:04,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 510 transitions. [2025-02-08 09:19:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:19:04,128 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:04,128 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:04,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:19:04,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:19:04,328 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:04,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:04,329 INFO L85 PathProgramCache]: Analyzing trace with hash 764927426, now seen corresponding path program 1 times [2025-02-08 09:19:04,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:04,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110565672] [2025-02-08 09:19:04,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:04,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:04,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:19:04,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:19:04,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:04,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:04,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991772178] [2025-02-08 09:19:04,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:04,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:04,340 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:04,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:19:04,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:19:04,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:19:04,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:04,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:04,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:19:04,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:04,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:04,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:04,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110565672] [2025-02-08 09:19:04,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:04,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991772178] [2025-02-08 09:19:04,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991772178] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:04,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:04,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:04,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561101461] [2025-02-08 09:19:04,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:04,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:04,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:04,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:04,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:04,577 INFO L87 Difference]: Start difference. First operand 407 states and 510 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:05,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:05,287 INFO L93 Difference]: Finished difference Result 499 states and 603 transitions. [2025-02-08 09:19:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:19:05,287 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2025-02-08 09:19:05,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:05,293 INFO L225 Difference]: With dead ends: 499 [2025-02-08 09:19:05,293 INFO L226 Difference]: Without dead ends: 497 [2025-02-08 09:19:05,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:19:05,298 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 873 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:05,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 274 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:19:05,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-08 09:19:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 417. [2025-02-08 09:19:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 369 states have (on average 1.3658536585365855) internal successors, (504), 405 states have internal predecessors, (504), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 518 transitions. [2025-02-08 09:19:05,337 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 518 transitions. Word has length 50 [2025-02-08 09:19:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:05,337 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 518 transitions. [2025-02-08 09:19:05,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 518 transitions. [2025-02-08 09:19:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:19:05,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:05,341 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:05,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:05,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:05,543 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:05,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:05,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2057053496, now seen corresponding path program 1 times [2025-02-08 09:19:05,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:05,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624417001] [2025-02-08 09:19:05,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:05,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:19:05,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:19:05,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:05,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:05,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016371340] [2025-02-08 09:19:05,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:05,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:05,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:05,567 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:05,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:19:05,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:19:05,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:19:05,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:05,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:05,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:19:05,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:05,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624417001] [2025-02-08 09:19:06,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016371340] [2025-02-08 09:19:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016371340] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:06,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:06,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:06,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686507716] [2025-02-08 09:19:06,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:06,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:06,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:06,227 INFO L87 Difference]: Start difference. First operand 417 states and 518 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:07,264 INFO L93 Difference]: Finished difference Result 515 states and 633 transitions. [2025-02-08 09:19:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-08 09:19:07,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-02-08 09:19:07,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:07,266 INFO L225 Difference]: With dead ends: 515 [2025-02-08 09:19:07,266 INFO L226 Difference]: Without dead ends: 513 [2025-02-08 09:19:07,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:19:07,267 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 710 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:07,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 291 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:19:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-02-08 09:19:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 451. [2025-02-08 09:19:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 402 states have (on average 1.3681592039800996) internal successors, (550), 438 states have internal predecessors, (550), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:19:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 566 transitions. [2025-02-08 09:19:07,288 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 566 transitions. Word has length 51 [2025-02-08 09:19:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:07,288 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 566 transitions. [2025-02-08 09:19:07,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 566 transitions. [2025-02-08 09:19:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:19:07,288 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:07,289 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:07,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:19:07,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,489 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:07,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:07,490 INFO L85 PathProgramCache]: Analyzing trace with hash -82913151, now seen corresponding path program 1 times [2025-02-08 09:19:07,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:07,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443476045] [2025-02-08 09:19:07,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:07,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:19:07,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:19:07,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518893189] [2025-02-08 09:19:07,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:07,502 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:07,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:19:07,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:19:07,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:19:07,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:07,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:07,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:07,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:11,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443476045] [2025-02-08 09:19:11,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518893189] [2025-02-08 09:19:11,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518893189] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:11,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:11,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:19:11,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778219465] [2025-02-08 09:19:11,786 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:11,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:11,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:11,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:11,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:19:11,787 INFO L87 Difference]: Start difference. First operand 451 states and 566 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:12,044 INFO L93 Difference]: Finished difference Result 488 states and 600 transitions. [2025-02-08 09:19:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:12,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2025-02-08 09:19:12,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:12,046 INFO L225 Difference]: With dead ends: 488 [2025-02-08 09:19:12,046 INFO L226 Difference]: Without dead ends: 484 [2025-02-08 09:19:12,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2025-02-08 09:19:12,046 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:12,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 460 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:12,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-02-08 09:19:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 451. [2025-02-08 09:19:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 405 states have (on average 1.345679012345679) internal successors, (545), 438 states have internal predecessors, (545), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:19:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 561 transitions. [2025-02-08 09:19:12,058 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 561 transitions. Word has length 52 [2025-02-08 09:19:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:12,058 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 561 transitions. [2025-02-08 09:19:12,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 561 transitions. [2025-02-08 09:19:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:19:12,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:12,058 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:12,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:12,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:12,259 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:12,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:12,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1724659693, now seen corresponding path program 1 times [2025-02-08 09:19:12,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:12,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545595815] [2025-02-08 09:19:12,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:12,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:12,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:19:12,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:19:12,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:12,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:12,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909711807] [2025-02-08 09:19:12,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:12,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:12,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:12,268 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:12,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:19:12,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:19:12,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:19:12,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:12,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:12,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:12,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:12,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:12,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:12,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545595815] [2025-02-08 09:19:12,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909711807] [2025-02-08 09:19:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909711807] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:12,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:19:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833059099] [2025-02-08 09:19:12,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:12,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:19:12,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:12,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:19:12,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:12,700 INFO L87 Difference]: Start difference. First operand 451 states and 561 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:12,938 INFO L93 Difference]: Finished difference Result 600 states and 741 transitions. [2025-02-08 09:19:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:12,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-02-08 09:19:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:12,940 INFO L225 Difference]: With dead ends: 600 [2025-02-08 09:19:12,940 INFO L226 Difference]: Without dead ends: 598 [2025-02-08 09:19:12,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:12,940 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 395 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:12,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 302 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:12,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2025-02-08 09:19:12,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 536. [2025-02-08 09:19:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 488 states have (on average 1.3647540983606556) internal successors, (666), 521 states have internal predecessors, (666), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 686 transitions. [2025-02-08 09:19:12,955 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 686 transitions. Word has length 53 [2025-02-08 09:19:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:12,955 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 686 transitions. [2025-02-08 09:19:12,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 686 transitions. [2025-02-08 09:19:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:19:12,956 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:12,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:12,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:19:13,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:13,157 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1860423566, now seen corresponding path program 1 times [2025-02-08 09:19:13,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202274279] [2025-02-08 09:19:13,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:13,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:13,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202274279] [2025-02-08 09:19:13,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202274279] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434859188] [2025-02-08 09:19:13,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,228 INFO L87 Difference]: Start difference. First operand 536 states and 686 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,373 INFO L93 Difference]: Finished difference Result 541 states and 691 transitions. [2025-02-08 09:19:13,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:13,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-02-08 09:19:13,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,378 INFO L225 Difference]: With dead ends: 541 [2025-02-08 09:19:13,379 INFO L226 Difference]: Without dead ends: 540 [2025-02-08 09:19:13,380 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 [2025-02-08 09:19:13,380 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 47 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 119 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:13,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-08 09:19:13,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 539. [2025-02-08 09:19:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 491 states have (on average 1.3625254582484725) internal successors, (669), 524 states have internal predecessors, (669), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 689 transitions. [2025-02-08 09:19:13,394 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 689 transitions. Word has length 54 [2025-02-08 09:19:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,396 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 689 transitions. [2025-02-08 09:19:13,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 689 transitions. [2025-02-08 09:19:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:19:13,396 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,397 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-08 09:19:13,397 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1087248578, now seen corresponding path program 1 times [2025-02-08 09:19:13,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649975224] [2025-02-08 09:19:13,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:13,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:13,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:13,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264709267] [2025-02-08 09:19:13,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:13,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:13,410 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:13,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:19:13,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:13,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:13,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:13,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:13,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:13,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649975224] [2025-02-08 09:19:13,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:13,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264709267] [2025-02-08 09:19:13,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264709267] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:13,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:13,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-02-08 09:19:13,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172545935] [2025-02-08 09:19:13,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:13,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:13,566 INFO L87 Difference]: Start difference. First operand 539 states and 689 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,723 INFO L93 Difference]: Finished difference Result 599 states and 737 transitions. [2025-02-08 09:19:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:13,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-02-08 09:19:13,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,725 INFO L225 Difference]: With dead ends: 599 [2025-02-08 09:19:13,725 INFO L226 Difference]: Without dead ends: 597 [2025-02-08 09:19:13,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:13,726 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 251 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 246 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:13,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-02-08 09:19:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 540. [2025-02-08 09:19:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 492 states have (on average 1.3556910569105691) internal successors, (667), 525 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 687 transitions. [2025-02-08 09:19:13,740 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 687 transitions. Word has length 54 [2025-02-08 09:19:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,740 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 687 transitions. [2025-02-08 09:19:13,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 687 transitions. [2025-02-08 09:19:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:19:13,740 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:19:13,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:19:13,942 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1838555726, now seen corresponding path program 1 times [2025-02-08 09:19:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139310899] [2025-02-08 09:19:13,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:13,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:13,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139310899] [2025-02-08 09:19:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139310899] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260829746] [2025-02-08 09:19:13,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,999 INFO L87 Difference]: Start difference. First operand 540 states and 687 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,162 INFO L93 Difference]: Finished difference Result 542 states and 688 transitions. [2025-02-08 09:19:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:14,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-02-08 09:19:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,164 INFO L225 Difference]: With dead ends: 542 [2025-02-08 09:19:14,164 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:19:14,166 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 [2025-02-08 09:19:14,166 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 122 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:14,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:19:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-08 09:19:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 471 states have (on average 1.3694267515923566) internal successors, (645), 504 states have internal predecessors, (645), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 665 transitions. [2025-02-08 09:19:14,178 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 665 transitions. Word has length 55 [2025-02-08 09:19:14,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,178 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 665 transitions. [2025-02-08 09:19:14,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 665 transitions. [2025-02-08 09:19:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:19:14,178 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,178 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:14,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-08 09:19:14,179 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:14,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:14,179 INFO L85 PathProgramCache]: Analyzing trace with hash 655032516, now seen corresponding path program 1 times [2025-02-08 09:19:14,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:14,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191250657] [2025-02-08 09:19:14,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:14,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:14,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:14,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:14,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105416513] [2025-02-08 09:19:14,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:14,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:14,192 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:14,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:19:14,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:14,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:14,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:14,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:14,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:14,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:14,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191250657] [2025-02-08 09:19:14,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:14,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105416513] [2025-02-08 09:19:14,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105416513] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:14,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:14,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-02-08 09:19:14,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038297589] [2025-02-08 09:19:14,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:14,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:14,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:14,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:14,327 INFO L87 Difference]: Start difference. First operand 519 states and 665 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,496 INFO L93 Difference]: Finished difference Result 576 states and 711 transitions. [2025-02-08 09:19:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:14,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-02-08 09:19:14,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,498 INFO L225 Difference]: With dead ends: 576 [2025-02-08 09:19:14,499 INFO L226 Difference]: Without dead ends: 574 [2025-02-08 09:19:14,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:14,500 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 217 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-02-08 09:19:14,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 520. [2025-02-08 09:19:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 472 states have (on average 1.3622881355932204) internal successors, (643), 505 states have internal predecessors, (643), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 663 transitions. [2025-02-08 09:19:14,525 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 663 transitions. Word has length 55 [2025-02-08 09:19:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,525 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 663 transitions. [2025-02-08 09:19:14,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 663 transitions. [2025-02-08 09:19:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:19:14,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,525 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:14,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:14,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:19:14,726 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:14,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:14,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1168828420, now seen corresponding path program 1 times [2025-02-08 09:19:14,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:14,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000790480] [2025-02-08 09:19:14,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:14,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:14,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:14,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:14,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722462398] [2025-02-08 09:19:14,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:14,735 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:14,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:19:14,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:14,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:14,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:19:14,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:15,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000790480] [2025-02-08 09:19:15,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722462398] [2025-02-08 09:19:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722462398] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:15,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:15,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:15,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153887763] [2025-02-08 09:19:15,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:15,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:15,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:15,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:15,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:15,194 INFO L87 Difference]: Start difference. First operand 520 states and 663 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:16,329 INFO L93 Difference]: Finished difference Result 585 states and 737 transitions. [2025-02-08 09:19:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:19:16,330 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2025-02-08 09:19:16,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:16,331 INFO L225 Difference]: With dead ends: 585 [2025-02-08 09:19:16,331 INFO L226 Difference]: Without dead ends: 581 [2025-02-08 09:19:16,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:19:16,332 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 972 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:16,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 274 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:19:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-02-08 09:19:16,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 546. [2025-02-08 09:19:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 498 states have (on average 1.3393574297188755) internal successors, (667), 531 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 687 transitions. [2025-02-08 09:19:16,344 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 687 transitions. Word has length 56 [2025-02-08 09:19:16,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:16,344 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 687 transitions. [2025-02-08 09:19:16,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2025-02-08 09:19:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:19:16,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:16,345 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:16,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:19:16,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:19:16,546 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:16,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1356772483, now seen corresponding path program 1 times [2025-02-08 09:19:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430484366] [2025-02-08 09:19:16,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:16,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:16,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:16,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:16,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:16,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:16,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988491986] [2025-02-08 09:19:16,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:16,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:16,556 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:16,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:19:16,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:16,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:16,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:16,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:16,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:19:16,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:16,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:16,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:16,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430484366] [2025-02-08 09:19:16,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:16,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988491986] [2025-02-08 09:19:16,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988491986] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:16,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:16,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:16,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894004165] [2025-02-08 09:19:16,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:16,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:16,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:16,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:16,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:16,809 INFO L87 Difference]: Start difference. First operand 546 states and 687 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:17,445 INFO L93 Difference]: Finished difference Result 715 states and 858 transitions. [2025-02-08 09:19:17,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:17,445 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2025-02-08 09:19:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:17,447 INFO L225 Difference]: With dead ends: 715 [2025-02-08 09:19:17,447 INFO L226 Difference]: Without dead ends: 714 [2025-02-08 09:19:17,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:17,448 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 916 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:17,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 383 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:17,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-02-08 09:19:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 600. [2025-02-08 09:19:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 551 states have (on average 1.3357531760435573) internal successors, (736), 584 states have internal predecessors, (736), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 758 transitions. [2025-02-08 09:19:17,472 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 758 transitions. Word has length 56 [2025-02-08 09:19:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:17,472 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 758 transitions. [2025-02-08 09:19:17,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 758 transitions. [2025-02-08 09:19:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:19:17,473 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:17,473 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:17,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:17,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:19:17,674 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:17,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:17,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1873942590, now seen corresponding path program 1 times [2025-02-08 09:19:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:17,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149171264] [2025-02-08 09:19:17,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:17,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:17,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:17,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:17,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:17,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:17,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149171264] [2025-02-08 09:19:17,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149171264] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:17,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298101346] [2025-02-08 09:19:17,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:17,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:17,725 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:17,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:19:17,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:17,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:17,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:17,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:17,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:17,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:17,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:17,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298101346] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:17,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:17,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-02-08 09:19:17,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238546197] [2025-02-08 09:19:17,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:19:17,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:17,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:19:17,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:17,967 INFO L87 Difference]: Start difference. First operand 600 states and 758 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:18,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:18,206 INFO L93 Difference]: Finished difference Result 619 states and 782 transitions. [2025-02-08 09:19:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:19:18,207 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2025-02-08 09:19:18,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:18,208 INFO L225 Difference]: With dead ends: 619 [2025-02-08 09:19:18,208 INFO L226 Difference]: Without dead ends: 617 [2025-02-08 09:19:18,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:18,209 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 294 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:18,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 342 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-08 09:19:18,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 598. [2025-02-08 09:19:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.3121597096188748) internal successors, (723), 582 states have internal predecessors, (723), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 745 transitions. [2025-02-08 09:19:18,223 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 745 transitions. Word has length 57 [2025-02-08 09:19:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:18,223 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 745 transitions. [2025-02-08 09:19:18,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 745 transitions. [2025-02-08 09:19:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:19:18,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:18,224 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:18,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:19:18,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:19:18,426 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:18,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:18,426 INFO L85 PathProgramCache]: Analyzing trace with hash 889726057, now seen corresponding path program 1 times [2025-02-08 09:19:18,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:18,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656983478] [2025-02-08 09:19:18,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:18,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:18,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:18,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:18,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:18,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:18,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145860949] [2025-02-08 09:19:18,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:18,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:18,439 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:18,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:19:18,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:18,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:18,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:18,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:18,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:19:18,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:18,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:18,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656983478] [2025-02-08 09:19:18,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145860949] [2025-02-08 09:19:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145860949] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:18,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:18,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:18,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093457125] [2025-02-08 09:19:18,818 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:18,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:18,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:18,819 INFO L87 Difference]: Start difference. First operand 598 states and 745 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:19,485 INFO L93 Difference]: Finished difference Result 709 states and 837 transitions. [2025-02-08 09:19:19,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-02-08 09:19:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:19,487 INFO L225 Difference]: With dead ends: 709 [2025-02-08 09:19:19,487 INFO L226 Difference]: Without dead ends: 707 [2025-02-08 09:19:19,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:19,488 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 1219 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:19,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 392 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2025-02-08 09:19:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 598. [2025-02-08 09:19:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.2976406533575318) internal successors, (715), 582 states have internal predecessors, (715), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 737 transitions. [2025-02-08 09:19:19,508 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 737 transitions. Word has length 57 [2025-02-08 09:19:19,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:19,508 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 737 transitions. [2025-02-08 09:19:19,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 737 transitions. [2025-02-08 09:19:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 09:19:19,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:19,510 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:19,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:19,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:19,711 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:19,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1811704059, now seen corresponding path program 1 times [2025-02-08 09:19:19,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:19,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343119466] [2025-02-08 09:19:19,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:19,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:19:19,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:19:19,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:19,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:19,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900936253] [2025-02-08 09:19:19,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:19,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:19,746 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:19,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:19:19,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:19:19,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:19:19,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:19,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:19,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:19:19,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:20,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:20,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343119466] [2025-02-08 09:19:20,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900936253] [2025-02-08 09:19:20,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900936253] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:20,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:20,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-02-08 09:19:20,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118234256] [2025-02-08 09:19:20,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:20,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:19:20,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:20,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:19:20,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:19:20,523 INFO L87 Difference]: Start difference. First operand 598 states and 737 transitions. Second operand has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:22,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:22,174 INFO L93 Difference]: Finished difference Result 680 states and 834 transitions. [2025-02-08 09:19:22,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-08 09:19:22,174 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2025-02-08 09:19:22,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:22,175 INFO L225 Difference]: With dead ends: 680 [2025-02-08 09:19:22,175 INFO L226 Difference]: Without dead ends: 678 [2025-02-08 09:19:22,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=353, Invalid=1809, Unknown=0, NotChecked=0, Total=2162 [2025-02-08 09:19:22,176 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 492 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:22,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 596 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:22,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2025-02-08 09:19:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 600. [2025-02-08 09:19:22,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 553 states have (on average 1.2929475587703436) internal successors, (715), 584 states have internal predecessors, (715), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 737 transitions. [2025-02-08 09:19:22,214 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 737 transitions. Word has length 58 [2025-02-08 09:19:22,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:22,214 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 737 transitions. [2025-02-08 09:19:22,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 737 transitions. [2025-02-08 09:19:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:19:22,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:22,219 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:22,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:22,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-02-08 09:19:22,420 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:22,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash 328251047, now seen corresponding path program 1 times [2025-02-08 09:19:22,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:22,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367990626] [2025-02-08 09:19:22,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:22,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:19:22,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:19:22,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:22,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:22,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715227050] [2025-02-08 09:19:22,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:22,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:22,438 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:22,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:19:22,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:19:22,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:19:22,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:22,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:22,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:19:22,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:22,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:23,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:23,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367990626] [2025-02-08 09:19:23,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:23,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715227050] [2025-02-08 09:19:23,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715227050] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:23,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:23,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:23,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129615054] [2025-02-08 09:19:23,036 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:23,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:23,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:23,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:23,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:23,038 INFO L87 Difference]: Start difference. First operand 600 states and 737 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:24,950 INFO L93 Difference]: Finished difference Result 711 states and 875 transitions. [2025-02-08 09:19:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-08 09:19:24,950 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-02-08 09:19:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:24,953 INFO L225 Difference]: With dead ends: 711 [2025-02-08 09:19:24,953 INFO L226 Difference]: Without dead ends: 706 [2025-02-08 09:19:24,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1623, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:19:24,958 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 670 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:24,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 439 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:19:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-02-08 09:19:24,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 614. [2025-02-08 09:19:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 567 states have (on average 1.2857142857142858) internal successors, (729), 598 states have internal predecessors, (729), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 751 transitions. [2025-02-08 09:19:24,991 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 751 transitions. Word has length 59 [2025-02-08 09:19:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:24,992 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 751 transitions. [2025-02-08 09:19:24,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 751 transitions. [2025-02-08 09:19:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:19:24,993 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:24,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:25,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:19:25,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:25,193 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:25,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1585847929, now seen corresponding path program 1 times [2025-02-08 09:19:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:25,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833369964] [2025-02-08 09:19:25,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:25,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:25,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:19:25,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:19:25,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:25,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:25,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531406938] [2025-02-08 09:19:25,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:25,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:25,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:25,207 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:25,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:19:25,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:19:25,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:19:25,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:25,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:25,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:19:25,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:25,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:25,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:25,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833369964] [2025-02-08 09:19:25,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:25,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531406938] [2025-02-08 09:19:25,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531406938] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:25,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:25,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:25,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283128964] [2025-02-08 09:19:25,545 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:25,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:25,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:25,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:25,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:25,545 INFO L87 Difference]: Start difference. First operand 614 states and 751 transitions. Second operand has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:26,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:26,479 INFO L93 Difference]: Finished difference Result 717 states and 876 transitions. [2025-02-08 09:19:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:19:26,480 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2025-02-08 09:19:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:26,481 INFO L225 Difference]: With dead ends: 717 [2025-02-08 09:19:26,481 INFO L226 Difference]: Without dead ends: 715 [2025-02-08 09:19:26,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:19:26,482 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 398 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:26,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 442 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:19:26,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-02-08 09:19:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 625. [2025-02-08 09:19:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 578 states have (on average 1.2906574394463668) internal successors, (746), 609 states have internal predecessors, (746), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 768 transitions. [2025-02-08 09:19:26,498 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 768 transitions. Word has length 60 [2025-02-08 09:19:26,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:26,498 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 768 transitions. [2025-02-08 09:19:26,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 768 transitions. [2025-02-08 09:19:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:19:26,498 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:26,498 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:26,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:19:26,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:26,702 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:26,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1674337726, now seen corresponding path program 1 times [2025-02-08 09:19:26,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:26,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110096114] [2025-02-08 09:19:26,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:26,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:26,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:19:26,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:19:26,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:26,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:26,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110096114] [2025-02-08 09:19:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110096114] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908605315] [2025-02-08 09:19:26,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:26,749 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:26,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:19:26,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:19:26,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:19:26,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:26,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:26,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:26,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:26,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908605315] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:26,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:19:26,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24103357] [2025-02-08 09:19:26,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:19:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:26,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:19:26,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:26,950 INFO L87 Difference]: Start difference. First operand 625 states and 768 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:27,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:27,212 INFO L93 Difference]: Finished difference Result 826 states and 1034 transitions. [2025-02-08 09:19:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:27,213 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2025-02-08 09:19:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:27,214 INFO L225 Difference]: With dead ends: 826 [2025-02-08 09:19:27,214 INFO L226 Difference]: Without dead ends: 824 [2025-02-08 09:19:27,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:27,215 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 315 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:27,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 219 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:27,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-02-08 09:19:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 790. [2025-02-08 09:19:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 740 states have (on average 1.3148648648648649) internal successors, (973), 771 states have internal predecessors, (973), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:19:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1001 transitions. [2025-02-08 09:19:27,234 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1001 transitions. Word has length 61 [2025-02-08 09:19:27,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:27,234 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1001 transitions. [2025-02-08 09:19:27,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1001 transitions. [2025-02-08 09:19:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:19:27,234 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:27,235 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:27,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:19:27,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-02-08 09:19:27,435 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:27,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash 364862006, now seen corresponding path program 1 times [2025-02-08 09:19:27,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:27,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717968320] [2025-02-08 09:19:27,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:27,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:19:27,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:19:27,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:27,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:27,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717968320] [2025-02-08 09:19:27,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717968320] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:27,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:27,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916489784] [2025-02-08 09:19:27,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:27,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:27,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:27,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:27,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:27,470 INFO L87 Difference]: Start difference. First operand 790 states and 1001 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:27,671 INFO L93 Difference]: Finished difference Result 1074 states and 1384 transitions. [2025-02-08 09:19:27,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:19:27,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2025-02-08 09:19:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:27,674 INFO L225 Difference]: With dead ends: 1074 [2025-02-08 09:19:27,675 INFO L226 Difference]: Without dead ends: 1072 [2025-02-08 09:19:27,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:27,675 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 90 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:27,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 304 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2025-02-08 09:19:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 992. [2025-02-08 09:19:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 937 states have (on average 1.3383137673425827) internal successors, (1254), 968 states have internal predecessors, (1254), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1292 transitions. [2025-02-08 09:19:27,706 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1292 transitions. Word has length 62 [2025-02-08 09:19:27,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:27,706 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1292 transitions. [2025-02-08 09:19:27,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1292 transitions. [2025-02-08 09:19:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:19:27,707 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:27,707 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:27,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-02-08 09:19:27,707 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:27,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1574179652, now seen corresponding path program 1 times [2025-02-08 09:19:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938336064] [2025-02-08 09:19:27,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:27,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:19:27,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:19:27,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:27,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261277400] [2025-02-08 09:19:27,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:27,718 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:27,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:19:27,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:19:27,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:19:27,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:27,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:19:27,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:28,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:19:28,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:28,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938336064] [2025-02-08 09:19:28,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:28,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261277400] [2025-02-08 09:19:28,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261277400] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:28,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:28,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-02-08 09:19:28,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720033273] [2025-02-08 09:19:28,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:28,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:19:28,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:28,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:19:28,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:19:28,227 INFO L87 Difference]: Start difference. First operand 992 states and 1292 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:29,460 INFO L93 Difference]: Finished difference Result 1033 states and 1341 transitions. [2025-02-08 09:19:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:19:29,460 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2025-02-08 09:19:29,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:29,462 INFO L225 Difference]: With dead ends: 1033 [2025-02-08 09:19:29,462 INFO L226 Difference]: Without dead ends: 1007 [2025-02-08 09:19:29,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:29,464 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 355 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:29,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 206 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:19:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2025-02-08 09:19:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 977. [2025-02-08 09:19:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 922 states have (on average 1.3394793926247288) internal successors, (1235), 953 states have internal predecessors, (1235), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1273 transitions. [2025-02-08 09:19:29,507 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1273 transitions. Word has length 63 [2025-02-08 09:19:29,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:29,507 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1273 transitions. [2025-02-08 09:19:29,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1273 transitions. [2025-02-08 09:19:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:19:29,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:29,507 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:29,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:29,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:19:29,712 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:29,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1494045045, now seen corresponding path program 1 times [2025-02-08 09:19:29,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:29,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732832164] [2025-02-08 09:19:29,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:29,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:29,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:19:29,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:19:29,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:29,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:29,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:29,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732832164] [2025-02-08 09:19:29,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732832164] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:29,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547523772] [2025-02-08 09:19:29,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:29,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:29,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:29,755 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:29,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:19:29,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:19:29,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:19:29,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:29,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:29,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:29,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:29,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547523772] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:30,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:30,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-02-08 09:19:30,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201303689] [2025-02-08 09:19:30,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:30,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:19:30,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:30,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:19:30,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:30,058 INFO L87 Difference]: Start difference. First operand 977 states and 1273 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:30,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:30,334 INFO L93 Difference]: Finished difference Result 1013 states and 1297 transitions. [2025-02-08 09:19:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2025-02-08 09:19:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:30,338 INFO L225 Difference]: With dead ends: 1013 [2025-02-08 09:19:30,338 INFO L226 Difference]: Without dead ends: 1011 [2025-02-08 09:19:30,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:30,339 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 160 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:30,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 263 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-02-08 09:19:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 981. [2025-02-08 09:19:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 926 states have (on average 1.326133909287257) internal successors, (1228), 957 states have internal predecessors, (1228), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1266 transitions. [2025-02-08 09:19:30,367 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1266 transitions. Word has length 64 [2025-02-08 09:19:30,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:30,367 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1266 transitions. [2025-02-08 09:19:30,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1266 transitions. [2025-02-08 09:19:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-08 09:19:30,368 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:30,368 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:30,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-08 09:19:30,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:19:30,568 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:30,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:30,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1258213107, now seen corresponding path program 1 times [2025-02-08 09:19:30,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:30,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643203249] [2025-02-08 09:19:30,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:30,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:30,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:19:30,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:19:30,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:30,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:30,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239588376] [2025-02-08 09:19:30,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:30,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:30,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:30,578 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:30,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:19:30,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:19:30,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:19:30,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:30,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:30,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:19:30,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:30,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:19:31,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:31,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643203249] [2025-02-08 09:19:31,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:31,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239588376] [2025-02-08 09:19:31,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239588376] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:31,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:31,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-02-08 09:19:31,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729120800] [2025-02-08 09:19:31,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:31,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:19:31,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:31,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:19:31,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:19:31,013 INFO L87 Difference]: Start difference. First operand 981 states and 1266 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:32,450 INFO L93 Difference]: Finished difference Result 1028 states and 1320 transitions. [2025-02-08 09:19:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:19:32,450 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2025-02-08 09:19:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:32,452 INFO L225 Difference]: With dead ends: 1028 [2025-02-08 09:19:32,453 INFO L226 Difference]: Without dead ends: 1025 [2025-02-08 09:19:32,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:19:32,453 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 284 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:32,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 251 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:32,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2025-02-08 09:19:32,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 986. [2025-02-08 09:19:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 932 states have (on average 1.3165236051502145) internal successors, (1227), 962 states have internal predecessors, (1227), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1265 transitions. [2025-02-08 09:19:32,487 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1265 transitions. Word has length 66 [2025-02-08 09:19:32,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:32,488 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1265 transitions. [2025-02-08 09:19:32,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1265 transitions. [2025-02-08 09:19:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:19:32,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:32,488 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:32,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:32,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:32,693 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:32,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:32,694 INFO L85 PathProgramCache]: Analyzing trace with hash 684073319, now seen corresponding path program 1 times [2025-02-08 09:19:32,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:32,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710088937] [2025-02-08 09:19:32,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:32,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:32,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:19:32,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:19:32,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:32,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:32,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710088937] [2025-02-08 09:19:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710088937] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514416969] [2025-02-08 09:19:32,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:32,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:32,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:32,752 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:32,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:19:32,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:19:32,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:19:32,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:32,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:32,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:32,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:32,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:33,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514416969] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:33,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:33,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:19:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078556189] [2025-02-08 09:19:33,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:33,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:19:33,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:33,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:19:33,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:33,016 INFO L87 Difference]: Start difference. First operand 986 states and 1265 transitions. Second operand has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:33,323 INFO L93 Difference]: Finished difference Result 1325 states and 1698 transitions. [2025-02-08 09:19:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:33,323 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 73 [2025-02-08 09:19:33,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:33,326 INFO L225 Difference]: With dead ends: 1325 [2025-02-08 09:19:33,326 INFO L226 Difference]: Without dead ends: 1324 [2025-02-08 09:19:33,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:33,327 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 466 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:33,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 273 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:33,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2025-02-08 09:19:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1191. [2025-02-08 09:19:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1161 states have internal predecessors, (1493), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:19:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1543 transitions. [2025-02-08 09:19:33,369 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1543 transitions. Word has length 73 [2025-02-08 09:19:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:33,370 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1543 transitions. [2025-02-08 09:19:33,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1543 transitions. [2025-02-08 09:19:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:19:33,370 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:33,370 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:33,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:19:33,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:19:33,571 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:33,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:33,572 INFO L85 PathProgramCache]: Analyzing trace with hash 969286573, now seen corresponding path program 1 times [2025-02-08 09:19:33,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:33,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572850851] [2025-02-08 09:19:33,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:33,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:33,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:19:33,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:19:33,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:33,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:33,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572850851] [2025-02-08 09:19:33,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572850851] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:33,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399732113] [2025-02-08 09:19:33,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:33,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:33,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:33,614 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:33,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:19:33,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:19:33,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:19:33,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:33,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:33,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:33,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:33,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399732113] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:33,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:33,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 09:19:33,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487115326] [2025-02-08 09:19:33,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:33,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:19:33,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:33,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:19:33,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:19:33,917 INFO L87 Difference]: Start difference. First operand 1191 states and 1543 transitions. Second operand has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:34,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:34,414 INFO L93 Difference]: Finished difference Result 1663 states and 2150 transitions. [2025-02-08 09:19:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:19:34,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 76 [2025-02-08 09:19:34,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:34,419 INFO L225 Difference]: With dead ends: 1663 [2025-02-08 09:19:34,419 INFO L226 Difference]: Without dead ends: 1662 [2025-02-08 09:19:34,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:19:34,420 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 336 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:34,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 649 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:19:34,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2025-02-08 09:19:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1449. [2025-02-08 09:19:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1381 states have (on average 1.329471397538016) internal successors, (1836), 1411 states have internal predecessors, (1836), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:19:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1902 transitions. [2025-02-08 09:19:34,481 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1902 transitions. Word has length 76 [2025-02-08 09:19:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:34,481 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1902 transitions. [2025-02-08 09:19:34,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1902 transitions. [2025-02-08 09:19:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:19:34,482 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:34,482 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:34,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:34,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:34,683 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:34,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1746400854, now seen corresponding path program 1 times [2025-02-08 09:19:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:34,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581518096] [2025-02-08 09:19:34,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:34,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:19:34,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:19:34,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:34,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:34,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581518096] [2025-02-08 09:19:34,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581518096] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:34,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637235464] [2025-02-08 09:19:34,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:34,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:34,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:34,814 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:34,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:19:34,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:19:34,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:19:34,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:34,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:34,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:34,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:35,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:35,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637235464] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:35,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-02-08 09:19:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370927113] [2025-02-08 09:19:35,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:35,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:35,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:35,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:35,505 INFO L87 Difference]: Start difference. First operand 1449 states and 1902 transitions. Second operand has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:36,267 INFO L93 Difference]: Finished difference Result 1635 states and 2119 transitions. [2025-02-08 09:19:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:36,267 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 80 [2025-02-08 09:19:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:36,271 INFO L225 Difference]: With dead ends: 1635 [2025-02-08 09:19:36,272 INFO L226 Difference]: Without dead ends: 1634 [2025-02-08 09:19:36,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:36,273 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 802 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:36,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 518 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2025-02-08 09:19:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1505. [2025-02-08 09:19:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3289198606271777) internal successors, (1907), 1465 states have internal predecessors, (1907), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1977 transitions. [2025-02-08 09:19:36,337 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1977 transitions. Word has length 80 [2025-02-08 09:19:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:36,338 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1977 transitions. [2025-02-08 09:19:36,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1977 transitions. [2025-02-08 09:19:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:19:36,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:36,338 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:36,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:36,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:36,539 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:36,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash 908349525, now seen corresponding path program 1 times [2025-02-08 09:19:36,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:36,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120053657] [2025-02-08 09:19:36,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:36,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:36,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:19:36,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:19:36,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:36,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:36,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244549596] [2025-02-08 09:19:36,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:36,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:36,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:36,560 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:36,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:19:36,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:19:36,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:19:36,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:36,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:36,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:19:36,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:36,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:37,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:37,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120053657] [2025-02-08 09:19:37,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:37,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244549596] [2025-02-08 09:19:37,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244549596] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:37,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:37,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:37,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22466753] [2025-02-08 09:19:37,053 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:37,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:37,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:37,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:37,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:37,054 INFO L87 Difference]: Start difference. First operand 1505 states and 1977 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:38,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:38,266 INFO L93 Difference]: Finished difference Result 1513 states and 1978 transitions. [2025-02-08 09:19:38,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:19:38,267 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-02-08 09:19:38,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:38,270 INFO L225 Difference]: With dead ends: 1513 [2025-02-08 09:19:38,270 INFO L226 Difference]: Without dead ends: 1511 [2025-02-08 09:19:38,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:19:38,270 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 202 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:38,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 711 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:19:38,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2025-02-08 09:19:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1505. [2025-02-08 09:19:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3254355400696864) internal successors, (1902), 1465 states have internal predecessors, (1902), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1972 transitions. [2025-02-08 09:19:38,328 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1972 transitions. Word has length 81 [2025-02-08 09:19:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:38,328 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1972 transitions. [2025-02-08 09:19:38,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1972 transitions. [2025-02-08 09:19:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:19:38,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:38,329 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:38,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-08 09:19:38,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:38,530 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:38,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:38,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1905935799, now seen corresponding path program 1 times [2025-02-08 09:19:38,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:38,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985002976] [2025-02-08 09:19:38,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:38,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:38,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:38,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:38,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:38,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:38,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835487539] [2025-02-08 09:19:38,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:38,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:38,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:38,549 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:38,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:19:38,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:38,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:38,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:38,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:38,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:19:38,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:38,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:39,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:39,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985002976] [2025-02-08 09:19:39,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:39,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835487539] [2025-02-08 09:19:39,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835487539] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:39,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:39,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:39,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872910367] [2025-02-08 09:19:39,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:39,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:39,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:39,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:39,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:39,088 INFO L87 Difference]: Start difference. First operand 1505 states and 1972 transitions. Second operand has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:40,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:40,345 INFO L93 Difference]: Finished difference Result 1509 states and 1973 transitions. [2025-02-08 09:19:40,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:19:40,348 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-02-08 09:19:40,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:40,351 INFO L225 Difference]: With dead ends: 1509 [2025-02-08 09:19:40,351 INFO L226 Difference]: Without dead ends: 1508 [2025-02-08 09:19:40,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:19:40,352 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 473 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:40,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 419 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:19:40,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2025-02-08 09:19:40,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1505. [2025-02-08 09:19:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3233449477351917) internal successors, (1899), 1465 states have internal predecessors, (1899), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1969 transitions. [2025-02-08 09:19:40,415 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1969 transitions. Word has length 82 [2025-02-08 09:19:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:40,415 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1969 transitions. [2025-02-08 09:19:40,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1969 transitions. [2025-02-08 09:19:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:19:40,415 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:40,415 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:40,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:19:40,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-08 09:19:40,616 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:40,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:40,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1040993032, now seen corresponding path program 1 times [2025-02-08 09:19:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:40,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967610717] [2025-02-08 09:19:40,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:40,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:40,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:40,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:40,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:40,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:40,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967610717] [2025-02-08 09:19:40,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967610717] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:40,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539257835] [2025-02-08 09:19:40,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:40,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:40,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:40,696 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:40,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:19:40,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:40,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:40,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:40,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:40,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:40,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:40,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:40,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539257835] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:40,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:40,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 09:19:40,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086893981] [2025-02-08 09:19:40,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:40,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:40,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:40,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:40,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:40,915 INFO L87 Difference]: Start difference. First operand 1505 states and 1969 transitions. Second operand has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:41,056 INFO L93 Difference]: Finished difference Result 2088 states and 2709 transitions. [2025-02-08 09:19:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:19:41,056 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 82 [2025-02-08 09:19:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:41,061 INFO L225 Difference]: With dead ends: 2088 [2025-02-08 09:19:41,062 INFO L226 Difference]: Without dead ends: 2087 [2025-02-08 09:19:41,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:41,063 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 320 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:41,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 843 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2025-02-08 09:19:41,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1847. [2025-02-08 09:19:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1768 states have (on average 1.333710407239819) internal successors, (2358), 1798 states have internal predecessors, (2358), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:19:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2446 transitions. [2025-02-08 09:19:41,131 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2446 transitions. Word has length 82 [2025-02-08 09:19:41,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:41,132 INFO L471 AbstractCegarLoop]: Abstraction has 1847 states and 2446 transitions. [2025-02-08 09:19:41,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2446 transitions. [2025-02-08 09:19:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:19:41,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:41,132 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:41,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-08 09:19:41,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:41,333 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:41,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1949850602, now seen corresponding path program 1 times [2025-02-08 09:19:41,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:41,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961019051] [2025-02-08 09:19:41,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:41,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:41,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:19:41,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:19:41,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:41,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:41,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:41,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961019051] [2025-02-08 09:19:41,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961019051] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:41,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769621598] [2025-02-08 09:19:41,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:41,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:41,410 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:41,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:19:41,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:19:41,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:19:41,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:41,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:41,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:41,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:41,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:41,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769621598] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:41,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:41,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2025-02-08 09:19:41,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71210310] [2025-02-08 09:19:41,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:41,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:19:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:41,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:19:41,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:19:41,630 INFO L87 Difference]: Start difference. First operand 1847 states and 2446 transitions. Second operand has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:19:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:41,831 INFO L93 Difference]: Finished difference Result 3062 states and 4019 transitions. [2025-02-08 09:19:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:19:41,831 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 86 [2025-02-08 09:19:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:41,838 INFO L225 Difference]: With dead ends: 3062 [2025-02-08 09:19:41,839 INFO L226 Difference]: Without dead ends: 2872 [2025-02-08 09:19:41,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:19:41,840 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 277 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:41,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 971 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2872 states. [2025-02-08 09:19:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2872 to 2497. [2025-02-08 09:19:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2402 states have (on average 1.2993338884263115) internal successors, (3121), 2432 states have internal predecessors, (3121), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3237 transitions. [2025-02-08 09:19:41,927 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3237 transitions. Word has length 86 [2025-02-08 09:19:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:41,927 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3237 transitions. [2025-02-08 09:19:41,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:19:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3237 transitions. [2025-02-08 09:19:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:19:41,928 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:41,928 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:41,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-08 09:19:42,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-02-08 09:19:42,129 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:42,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:42,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1852567361, now seen corresponding path program 1 times [2025-02-08 09:19:42,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:42,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813275070] [2025-02-08 09:19:42,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:42,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:42,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:19:42,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:19:42,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:42,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:42,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393057981] [2025-02-08 09:19:42,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:42,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:42,146 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:42,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:19:42,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:19:42,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:19:42,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:42,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:42,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:19:42,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:42,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:42,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:42,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813275070] [2025-02-08 09:19:42,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:42,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393057981] [2025-02-08 09:19:42,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393057981] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:42,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:42,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:42,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619674819] [2025-02-08 09:19:42,939 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:42,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:42,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:42,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:42,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:42,940 INFO L87 Difference]: Start difference. First operand 2497 states and 3237 transitions. Second operand has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:44,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:44,410 INFO L93 Difference]: Finished difference Result 2539 states and 3285 transitions. [2025-02-08 09:19:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:19:44,411 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 90 [2025-02-08 09:19:44,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:44,414 INFO L225 Difference]: With dead ends: 2539 [2025-02-08 09:19:44,414 INFO L226 Difference]: Without dead ends: 2538 [2025-02-08 09:19:44,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:44,415 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 166 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:44,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 586 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:19:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2025-02-08 09:19:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2497. [2025-02-08 09:19:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2402 states have (on average 1.298917568692756) internal successors, (3120), 2432 states have internal predecessors, (3120), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3236 transitions. [2025-02-08 09:19:44,503 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3236 transitions. Word has length 90 [2025-02-08 09:19:44,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:44,503 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3236 transitions. [2025-02-08 09:19:44,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3236 transitions. [2025-02-08 09:19:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:19:44,504 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:44,504 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:44,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:44,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-02-08 09:19:44,705 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:44,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:44,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1595013323, now seen corresponding path program 1 times [2025-02-08 09:19:44,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:44,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564064553] [2025-02-08 09:19:44,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:44,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:44,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:44,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:44,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:44,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:44,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564064553] [2025-02-08 09:19:44,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564064553] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:44,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051345988] [2025-02-08 09:19:44,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:44,810 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:44,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:19:44,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:44,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:44,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:44,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:44,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:44,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:45,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:45,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051345988] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:45,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:45,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-08 09:19:45,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164146478] [2025-02-08 09:19:45,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:45,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:19:45,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:45,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:19:45,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:45,263 INFO L87 Difference]: Start difference. First operand 2497 states and 3236 transitions. Second operand has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:46,005 INFO L93 Difference]: Finished difference Result 2526 states and 3268 transitions. [2025-02-08 09:19:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:19:46,005 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 91 [2025-02-08 09:19:46,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:46,009 INFO L225 Difference]: With dead ends: 2526 [2025-02-08 09:19:46,009 INFO L226 Difference]: Without dead ends: 2525 [2025-02-08 09:19:46,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:46,010 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 217 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:46,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 890 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2025-02-08 09:19:46,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2504. [2025-02-08 09:19:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2409 states have (on average 1.2980489829804898) internal successors, (3127), 2439 states have internal predecessors, (3127), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3243 transitions. [2025-02-08 09:19:46,103 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3243 transitions. Word has length 91 [2025-02-08 09:19:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:46,104 INFO L471 AbstractCegarLoop]: Abstraction has 2504 states and 3243 transitions. [2025-02-08 09:19:46,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3243 transitions. [2025-02-08 09:19:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:19:46,104 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:46,105 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:46,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:46,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-02-08 09:19:46,309 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:46,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:46,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2020052317, now seen corresponding path program 1 times [2025-02-08 09:19:46,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:46,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144447878] [2025-02-08 09:19:46,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:46,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:46,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:46,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:46,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:46,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:46,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938845213] [2025-02-08 09:19:46,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:46,319 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:46,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:19:46,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:46,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:46,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:46,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:46,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:19:46,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:46,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:46,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:46,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144447878] [2025-02-08 09:19:46,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:46,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938845213] [2025-02-08 09:19:46,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938845213] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:46,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:46,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-02-08 09:19:46,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040531505] [2025-02-08 09:19:46,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:46,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:19:46,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:46,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:19:46,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:19:46,860 INFO L87 Difference]: Start difference. First operand 2504 states and 3243 transitions. Second operand has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:48,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:48,276 INFO L93 Difference]: Finished difference Result 2638 states and 3395 transitions. [2025-02-08 09:19:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:19:48,276 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 91 [2025-02-08 09:19:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:48,280 INFO L225 Difference]: With dead ends: 2638 [2025-02-08 09:19:48,280 INFO L226 Difference]: Without dead ends: 2636 [2025-02-08 09:19:48,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:48,282 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 841 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:48,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 562 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:19:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2025-02-08 09:19:48,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2550. [2025-02-08 09:19:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2455 states have (on average 1.2879837067209776) internal successors, (3162), 2485 states have internal predecessors, (3162), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3278 transitions. [2025-02-08 09:19:48,418 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3278 transitions. Word has length 91 [2025-02-08 09:19:48,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:48,418 INFO L471 AbstractCegarLoop]: Abstraction has 2550 states and 3278 transitions. [2025-02-08 09:19:48,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3278 transitions. [2025-02-08 09:19:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 09:19:48,420 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:48,420 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:48,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:48,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:48,621 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:48,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:48,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2077862903, now seen corresponding path program 1 times [2025-02-08 09:19:48,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:48,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006138617] [2025-02-08 09:19:48,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:48,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:19:48,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:19:48,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:48,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:48,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469064676] [2025-02-08 09:19:48,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:48,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:48,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:48,646 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:48,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:19:48,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:19:48,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:19:48,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:48,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:48,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:19:48,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:48,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:49,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:49,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006138617] [2025-02-08 09:19:49,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:49,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469064676] [2025-02-08 09:19:49,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469064676] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:49,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:49,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:19:49,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179707636] [2025-02-08 09:19:49,457 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:49,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:49,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:49,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:49,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2025-02-08 09:19:49,458 INFO L87 Difference]: Start difference. First operand 2550 states and 3278 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:50,076 INFO L93 Difference]: Finished difference Result 2574 states and 3304 transitions. [2025-02-08 09:19:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:19:50,076 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 94 [2025-02-08 09:19:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:50,084 INFO L225 Difference]: With dead ends: 2574 [2025-02-08 09:19:50,087 INFO L226 Difference]: Without dead ends: 2572 [2025-02-08 09:19:50,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2025-02-08 09:19:50,089 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 113 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:50,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 914 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:50,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2025-02-08 09:19:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2554. [2025-02-08 09:19:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2459 states have (on average 1.287921919479463) internal successors, (3167), 2489 states have internal predecessors, (3167), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3283 transitions. [2025-02-08 09:19:50,245 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3283 transitions. Word has length 94 [2025-02-08 09:19:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:50,245 INFO L471 AbstractCegarLoop]: Abstraction has 2554 states and 3283 transitions. [2025-02-08 09:19:50,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3283 transitions. [2025-02-08 09:19:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:19:50,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:50,246 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:50,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:50,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-02-08 09:19:50,447 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:50,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 10759513, now seen corresponding path program 1 times [2025-02-08 09:19:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581682265] [2025-02-08 09:19:50,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:50,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:50,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:50,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:50,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241194643] [2025-02-08 09:19:50,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:50,465 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:50,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:19:50,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:50,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:50,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:50,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:19:50,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:50,995 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:51,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581682265] [2025-02-08 09:19:51,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241194643] [2025-02-08 09:19:51,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241194643] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:51,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:51,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-02-08 09:19:51,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213819326] [2025-02-08 09:19:51,499 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:51,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:19:51,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:51,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:19:51,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:19:51,500 INFO L87 Difference]: Start difference. First operand 2554 states and 3283 transitions. Second operand has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:54,971 INFO L93 Difference]: Finished difference Result 2691 states and 3455 transitions. [2025-02-08 09:19:54,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-02-08 09:19:54,972 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-02-08 09:19:54,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:54,975 INFO L225 Difference]: With dead ends: 2691 [2025-02-08 09:19:54,975 INFO L226 Difference]: Without dead ends: 2687 [2025-02-08 09:19:54,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=491, Invalid=2479, Unknown=0, NotChecked=0, Total=2970 [2025-02-08 09:19:54,977 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 925 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:54,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 574 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-08 09:19:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2025-02-08 09:19:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2574. [2025-02-08 09:19:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2479 states have (on average 1.2839854780153288) internal successors, (3183), 2509 states have internal predecessors, (3183), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3299 transitions. [2025-02-08 09:19:55,071 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3299 transitions. Word has length 95 [2025-02-08 09:19:55,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:55,071 INFO L471 AbstractCegarLoop]: Abstraction has 2574 states and 3299 transitions. [2025-02-08 09:19:55,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3299 transitions. [2025-02-08 09:19:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:19:55,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:55,072 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:55,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-08 09:19:55,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:55,276 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:55,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash 544751047, now seen corresponding path program 1 times [2025-02-08 09:19:55,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:55,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489768042] [2025-02-08 09:19:55,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:55,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:55,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:55,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:55,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:55,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:55,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066632677] [2025-02-08 09:19:55,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:55,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:55,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:55,286 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:55,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:19:55,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:55,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:55,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:55,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:55,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:19:55,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:19:55,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:19:56,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:56,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489768042] [2025-02-08 09:19:56,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:56,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066632677] [2025-02-08 09:19:56,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066632677] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:56,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:56,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-02-08 09:19:56,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541516722] [2025-02-08 09:19:56,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:56,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-08 09:19:56,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:56,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-08 09:19:56,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:19:56,135 INFO L87 Difference]: Start difference. First operand 2574 states and 3299 transitions. Second operand has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:57,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:57,662 INFO L93 Difference]: Finished difference Result 2592 states and 3317 transitions. [2025-02-08 09:19:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:19:57,663 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-02-08 09:19:57,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:57,668 INFO L225 Difference]: With dead ends: 2592 [2025-02-08 09:19:57,668 INFO L226 Difference]: Without dead ends: 2568 [2025-02-08 09:19:57,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:19:57,669 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 271 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:57,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 701 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2025-02-08 09:19:57,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2565. [2025-02-08 09:19:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2470 states have (on average 1.28582995951417) internal successors, (3176), 2500 states have internal predecessors, (3176), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3292 transitions. [2025-02-08 09:19:57,808 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3292 transitions. Word has length 95 [2025-02-08 09:19:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:57,808 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3292 transitions. [2025-02-08 09:19:57,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3292 transitions. [2025-02-08 09:19:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:19:57,809 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:57,809 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:57,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:58,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:58,010 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:58,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:58,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1891028730, now seen corresponding path program 1 times [2025-02-08 09:19:58,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:58,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139816482] [2025-02-08 09:19:58,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:58,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:58,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:19:58,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:19:58,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:58,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:58,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487591167] [2025-02-08 09:19:58,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:58,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:58,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:58,028 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:19:58,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:19:58,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:19:58,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:19:58,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:58,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:58,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:19:58,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:58,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:58,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:58,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139816482] [2025-02-08 09:19:58,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:58,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487591167] [2025-02-08 09:19:58,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487591167] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:58,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:58,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:58,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686241142] [2025-02-08 09:19:58,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:58,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:58,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:58,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:58,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:58,827 INFO L87 Difference]: Start difference. First operand 2565 states and 3292 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:01,389 INFO L93 Difference]: Finished difference Result 2609 states and 3339 transitions. [2025-02-08 09:20:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-02-08 09:20:01,389 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-02-08 09:20:01,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:01,393 INFO L225 Difference]: With dead ends: 2609 [2025-02-08 09:20:01,393 INFO L226 Difference]: Without dead ends: 2606 [2025-02-08 09:20:01,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:20:01,394 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 814 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:01,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 402 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-08 09:20:01,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2025-02-08 09:20:01,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2575. [2025-02-08 09:20:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 2480 states have (on average 1.2834677419354839) internal successors, (3183), 2510 states have internal predecessors, (3183), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3299 transitions. [2025-02-08 09:20:01,498 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3299 transitions. Word has length 96 [2025-02-08 09:20:01,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:01,499 INFO L471 AbstractCegarLoop]: Abstraction has 2575 states and 3299 transitions. [2025-02-08 09:20:01,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3299 transitions. [2025-02-08 09:20:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:20:01,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:01,499 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:01,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:01,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:01,700 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:01,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash 333544967, now seen corresponding path program 1 times [2025-02-08 09:20:01,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:01,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845774703] [2025-02-08 09:20:01,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:01,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:01,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:01,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:01,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393379817] [2025-02-08 09:20:01,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:01,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:01,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:01,712 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:01,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:20:01,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:01,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:01,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:01,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:01,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:20:01,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:02,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:02,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:02,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845774703] [2025-02-08 09:20:02,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:02,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393379817] [2025-02-08 09:20:02,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393379817] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:02,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:02,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2025-02-08 09:20:02,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981045486] [2025-02-08 09:20:02,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:02,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:20:02,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:02,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:20:02,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:20:02,576 INFO L87 Difference]: Start difference. First operand 2575 states and 3299 transitions. Second operand has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:07,582 INFO L93 Difference]: Finished difference Result 2685 states and 3442 transitions. [2025-02-08 09:20:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-08 09:20:07,583 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-02-08 09:20:07,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:07,586 INFO L225 Difference]: With dead ends: 2685 [2025-02-08 09:20:07,590 INFO L226 Difference]: Without dead ends: 2683 [2025-02-08 09:20:07,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=554, Invalid=2752, Unknown=0, NotChecked=0, Total=3306 [2025-02-08 09:20:07,592 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 672 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:07,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 603 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-02-08 09:20:07,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2025-02-08 09:20:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2576. [2025-02-08 09:20:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2576 states, 2481 states have (on average 1.2813381700927045) internal successors, (3179), 2511 states have internal predecessors, (3179), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3295 transitions. [2025-02-08 09:20:07,809 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3295 transitions. Word has length 96 [2025-02-08 09:20:07,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:07,809 INFO L471 AbstractCegarLoop]: Abstraction has 2576 states and 3295 transitions. [2025-02-08 09:20:07,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3295 transitions. [2025-02-08 09:20:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:20:07,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:07,810 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:07,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:08,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-02-08 09:20:08,013 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:08,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1495558970, now seen corresponding path program 2 times [2025-02-08 09:20:08,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:08,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674132637] [2025-02-08 09:20:08,013 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:20:08,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:08,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-08 09:20:08,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:20:08,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:20:08,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:08,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032862759] [2025-02-08 09:20:08,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:20:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:08,037 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:08,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-02-08 09:20:08,073 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-08 09:20:08,101 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:20:08,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:20:08,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:08,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:20:08,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:08,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:08,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674132637] [2025-02-08 09:20:08,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032862759] [2025-02-08 09:20:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032862759] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:08,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-08 09:20:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368861420] [2025-02-08 09:20:08,685 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:08,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:20:08,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:08,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:20:08,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:20:08,685 INFO L87 Difference]: Start difference. First operand 2576 states and 3295 transitions. Second operand has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:10,319 INFO L93 Difference]: Finished difference Result 2695 states and 3424 transitions. [2025-02-08 09:20:10,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-08 09:20:10,319 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 98 [2025-02-08 09:20:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:10,323 INFO L225 Difference]: With dead ends: 2695 [2025-02-08 09:20:10,323 INFO L226 Difference]: Without dead ends: 2691 [2025-02-08 09:20:10,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2025-02-08 09:20:10,325 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 619 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:10,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 686 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:20:10,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2025-02-08 09:20:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2585. [2025-02-08 09:20:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2490 states have (on average 1.272289156626506) internal successors, (3168), 2520 states have internal predecessors, (3168), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3284 transitions. [2025-02-08 09:20:10,427 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3284 transitions. Word has length 98 [2025-02-08 09:20:10,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:10,428 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3284 transitions. [2025-02-08 09:20:10,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3284 transitions. [2025-02-08 09:20:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:20:10,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:10,429 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:10,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-02-08 09:20:10,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,50 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:10,643 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:10,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:10,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1551211027, now seen corresponding path program 1 times [2025-02-08 09:20:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:10,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081582506] [2025-02-08 09:20:10,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:10,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:20:10,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:20:10,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:10,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:10,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978752397] [2025-02-08 09:20:10,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:10,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:10,667 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:10,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-02-08 09:20:10,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:20:10,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:20:10,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:10,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:10,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:20:10,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:20:13,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:16,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:16,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081582506] [2025-02-08 09:20:16,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:16,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978752397] [2025-02-08 09:20:16,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978752397] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:20:16,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:20:16,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:20:16,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606478629] [2025-02-08 09:20:16,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:16,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:20:16,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:16,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:20:16,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:20:16,044 INFO L87 Difference]: Start difference. First operand 2585 states and 3284 transitions. Second operand has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:20:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:18,799 INFO L93 Difference]: Finished difference Result 2611 states and 3297 transitions. [2025-02-08 09:20:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:20:18,799 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 101 [2025-02-08 09:20:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:18,802 INFO L225 Difference]: With dead ends: 2611 [2025-02-08 09:20:18,802 INFO L226 Difference]: Without dead ends: 2607 [2025-02-08 09:20:18,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=187, Invalid=1003, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:20:18,802 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 244 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 2015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:18,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 983 Invalid, 2015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:20:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2025-02-08 09:20:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2585. [2025-02-08 09:20:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2490 states have (on average 1.2666666666666666) internal successors, (3154), 2520 states have internal predecessors, (3154), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3270 transitions. [2025-02-08 09:20:18,899 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3270 transitions. Word has length 101 [2025-02-08 09:20:18,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:18,899 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3270 transitions. [2025-02-08 09:20:18,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:20:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3270 transitions. [2025-02-08 09:20:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:20:18,899 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:18,900 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:18,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:19,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:19,100 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:19,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:19,101 INFO L85 PathProgramCache]: Analyzing trace with hash -508709807, now seen corresponding path program 1 times [2025-02-08 09:20:19,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:19,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599799696] [2025-02-08 09:20:19,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:19,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:20:19,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:20:19,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:19,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:19,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643201438] [2025-02-08 09:20:19,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:19,114 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:19,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-02-08 09:20:19,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:20:19,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:20:19,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:19,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:19,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 09:20:19,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:19,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:20:19,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:19,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599799696] [2025-02-08 09:20:19,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:19,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643201438] [2025-02-08 09:20:19,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643201438] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:19,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:19,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-02-08 09:20:19,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135092887] [2025-02-08 09:20:19,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:19,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:20:19,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:19,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:20:19,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:20:19,882 INFO L87 Difference]: Start difference. First operand 2585 states and 3270 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:20:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:21,571 INFO L93 Difference]: Finished difference Result 2624 states and 3319 transitions. [2025-02-08 09:20:21,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:20:21,572 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 103 [2025-02-08 09:20:21,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:21,575 INFO L225 Difference]: With dead ends: 2624 [2025-02-08 09:20:21,575 INFO L226 Difference]: Without dead ends: 2623 [2025-02-08 09:20:21,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:20:21,576 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 326 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:21,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 350 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2276 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:20:21,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2025-02-08 09:20:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2584. [2025-02-08 09:20:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2490 states have (on average 1.2477911646586346) internal successors, (3107), 2519 states have internal predecessors, (3107), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3223 transitions. [2025-02-08 09:20:21,694 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3223 transitions. Word has length 103 [2025-02-08 09:20:21,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:21,695 INFO L471 AbstractCegarLoop]: Abstraction has 2584 states and 3223 transitions. [2025-02-08 09:20:21,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:20:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3223 transitions. [2025-02-08 09:20:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:20:21,695 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:21,696 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:21,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2025-02-08 09:20:21,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-02-08 09:20:21,896 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:21,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1762269386, now seen corresponding path program 1 times [2025-02-08 09:20:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:21,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612359534] [2025-02-08 09:20:21,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:21,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:20:21,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:20:21,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:21,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:21,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367282808] [2025-02-08 09:20:21,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:21,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:21,908 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:21,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-02-08 09:20:21,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:20:21,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:20:21,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:21,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:21,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-08 09:20:21,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:22,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612359534] [2025-02-08 09:20:23,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367282808] [2025-02-08 09:20:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367282808] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:23,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:23,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2025-02-08 09:20:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204940396] [2025-02-08 09:20:23,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:23,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-02-08 09:20:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:23,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-02-08 09:20:23,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:20:23,255 INFO L87 Difference]: Start difference. First operand 2584 states and 3223 transitions. Second operand has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:29,037 INFO L93 Difference]: Finished difference Result 2787 states and 3469 transitions. [2025-02-08 09:20:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-02-08 09:20:29,038 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 105 [2025-02-08 09:20:29,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:29,040 INFO L225 Difference]: With dead ends: 2787 [2025-02-08 09:20:29,041 INFO L226 Difference]: Without dead ends: 2784 [2025-02-08 09:20:29,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=987, Invalid=5655, Unknown=0, NotChecked=0, Total=6642 [2025-02-08 09:20:29,042 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 794 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:29,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 961 Invalid, 3765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3727 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-02-08 09:20:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2025-02-08 09:20:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2643. [2025-02-08 09:20:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2548 states have (on average 1.2456828885400315) internal successors, (3174), 2577 states have internal predecessors, (3174), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:20:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3292 transitions. [2025-02-08 09:20:29,201 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3292 transitions. Word has length 105 [2025-02-08 09:20:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:29,201 INFO L471 AbstractCegarLoop]: Abstraction has 2643 states and 3292 transitions. [2025-02-08 09:20:29,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3292 transitions. [2025-02-08 09:20:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 09:20:29,202 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:29,202 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:29,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:29,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2025-02-08 09:20:29,402 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:29,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:29,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1810245095, now seen corresponding path program 1 times [2025-02-08 09:20:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:29,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938676999] [2025-02-08 09:20:29,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:29,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:20:29,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:20:29,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:29,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:29,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:29,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938676999] [2025-02-08 09:20:29,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938676999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:20:29,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189110805] [2025-02-08 09:20:29,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:29,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:29,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:29,719 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:20:29,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-02-08 09:20:29,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:20:29,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:20:29,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:29,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:29,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:20:29,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:30,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:30,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189110805] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:30,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:20:30,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-02-08 09:20:30,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368444075] [2025-02-08 09:20:30,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:30,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-08 09:20:30,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:30,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-08 09:20:30,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:20:30,721 INFO L87 Difference]: Start difference. First operand 2643 states and 3292 transitions. Second operand has 26 states, 26 states have (on average 10.923076923076923) internal successors, (284), 26 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)