./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/egcd3-ll_valuebound5.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 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:00:14,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:00:14,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:00:14,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:00:14,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:00:14,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:00:14,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:00:14,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:00:14,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:00:14,950 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:00:14,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:00:14,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:00:14,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:00:14,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:00:14,952 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:00:14,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:00:14,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:00:14,953 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:00:14,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:00:14,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:00:14,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:00:14,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:00:14,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:00:14,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:00:14,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:00:14,955 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 -> 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 [2025-02-06 14:00:15,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:00:15,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:00:15,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:00:15,243 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:00:15,244 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:00:15,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2025-02-06 14:00:16,486 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/11abc1cdf/edd3c5c7ac5b4c27928aabd21e05c9b5/FLAGaf1a722e6 [2025-02-06 14:00:16,830 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:00:16,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2025-02-06 14:00:16,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/11abc1cdf/edd3c5c7ac5b4c27928aabd21e05c9b5/FLAGaf1a722e6 [2025-02-06 14:00:16,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/11abc1cdf/edd3c5c7ac5b4c27928aabd21e05c9b5 [2025-02-06 14:00:16,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:00:16,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:00:16,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:00:16,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:00:16,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:00:16,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:00:16" (1/1) ... [2025-02-06 14:00:16,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334aac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:16, skipping insertion in model container [2025-02-06 14:00:16,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:00:16" (1/1) ... [2025-02-06 14:00:16,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:00:17,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:00:17,037 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:00:17,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:00:17,073 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:00:17,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17 WrapperNode [2025-02-06 14:00:17,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:00:17,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:00:17,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:00:17,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:00:17,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,099 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-02-06 14:00:17,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:00:17,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:00:17,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:00:17,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:00:17,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,120 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]. [2025-02-06 14:00:17,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:00:17,131 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:00:17,131 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:00:17,131 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:00:17,133 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (1/1) ... [2025-02-06 14:00:17,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:00:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:17,159 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) [2025-02-06 14:00:17,160 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 [2025-02-06 14:00:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:00:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:00:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:00:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:00:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:00:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:00:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:00:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:00:17,223 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:00:17,225 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:00:17,626 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2025-02-06 14:00:17,626 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:00:17,637 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:00:17,638 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:00:17,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:00:17 BoogieIcfgContainer [2025-02-06 14:00:17,638 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:00:17,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:00:17,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:00:17,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:00:17,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:00:16" (1/3) ... [2025-02-06 14:00:17,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1923aa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:00:17, skipping insertion in model container [2025-02-06 14:00:17,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:00:17" (2/3) ... [2025-02-06 14:00:17,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1923aa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:00:17, skipping insertion in model container [2025-02-06 14:00:17,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:00:17" (3/3) ... [2025-02-06 14:00:17,652 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound5.c [2025-02-06 14:00:17,664 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:00:17,666 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound5.c that has 3 procedures, 134 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-02-06 14:00:17,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:00:17,731 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;@6c37bf5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:00:17,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-02-06 14:00:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 72 states have (on average 1.8055555555555556) internal successors, (130), 122 states have internal predecessors, (130), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:00:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 14:00:17,744 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:17,744 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:17,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:17,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1579790717, now seen corresponding path program 1 times [2025-02-06 14:00:17,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:17,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231271083] [2025-02-06 14:00:17,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:17,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:00:17,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:00:17,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:17,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:00:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231271083] [2025-02-06 14:00:17,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231271083] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637113568] [2025-02-06 14:00:17,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:17,866 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) [2025-02-06 14:00:17,868 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 [2025-02-06 14:00:17,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:00:17,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:00:17,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:17,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:17,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:00:17,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:00:17,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:17,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637113568] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:17,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:17,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:00:17,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179769499] [2025-02-06 14:00:17,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:17,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:00:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:17,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:00:17,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:00:17,953 INFO L87 Difference]: Start difference. First operand has 134 states, 72 states have (on average 1.8055555555555556) internal successors, (130), 122 states have internal predecessors, (130), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:17,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:17,974 INFO L93 Difference]: Finished difference Result 264 states and 300 transitions. [2025-02-06 14:00:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:00:17,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2025-02-06 14:00:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:17,982 INFO L225 Difference]: With dead ends: 264 [2025-02-06 14:00:17,982 INFO L226 Difference]: Without dead ends: 127 [2025-02-06 14:00:17,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:00:17,990 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:17,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:00:18,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-06 14:00:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-06 14:00:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 116 states have internal predecessors, (119), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:00:18,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2025-02-06 14:00:18,027 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 26 [2025-02-06 14:00:18,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:18,028 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2025-02-06 14:00:18,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2025-02-06 14:00:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 14:00:18,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:18,031 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:18,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:00:18,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:00:18,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:18,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1048567082, now seen corresponding path program 1 times [2025-02-06 14:00:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:18,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115947778] [2025-02-06 14:00:18,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:18,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 14:00:18,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 14:00:18,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:18,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:18,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115947778] [2025-02-06 14:00:18,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115947778] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:18,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:18,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:00:18,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033666709] [2025-02-06 14:00:18,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:18,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:00:18,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:18,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:00:18,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:00:18,497 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:18,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:18,792 INFO L93 Difference]: Finished difference Result 216 states and 236 transitions. [2025-02-06 14:00:18,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:00:18,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-02-06 14:00:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:18,796 INFO L225 Difference]: With dead ends: 216 [2025-02-06 14:00:18,797 INFO L226 Difference]: Without dead ends: 188 [2025-02-06 14:00:18,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:00:18,799 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 208 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:18,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 329 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:18,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-02-06 14:00:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2025-02-06 14:00:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:00:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2025-02-06 14:00:18,818 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 27 [2025-02-06 14:00:18,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:18,818 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2025-02-06 14:00:18,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2025-02-06 14:00:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 14:00:18,821 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:18,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:18,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:00:18,822 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:18,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash 569316211, now seen corresponding path program 1 times [2025-02-06 14:00:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79591645] [2025-02-06 14:00:18,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:18,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:00:18,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:00:18,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:18,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040433533] [2025-02-06 14:00:18,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:18,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:18,859 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) [2025-02-06 14:00:18,860 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 [2025-02-06 14:00:18,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:00:18,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:00:18,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:18,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:00:18,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:18,916 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:18,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79591645] [2025-02-06 14:00:18,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040433533] [2025-02-06 14:00:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040433533] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:18,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:18,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:00:18,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193550026] [2025-02-06 14:00:18,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:18,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:00:18,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:18,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:00:18,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:18,919 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:19,019 INFO L93 Difference]: Finished difference Result 198 states and 216 transitions. [2025-02-06 14:00:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:00:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-02-06 14:00:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:19,021 INFO L225 Difference]: With dead ends: 198 [2025-02-06 14:00:19,021 INFO L226 Difference]: Without dead ends: 194 [2025-02-06 14:00:19,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:19,023 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 59 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:19,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 223 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-02-06 14:00:19,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2025-02-06 14:00:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 153 states have internal predecessors, (184), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2025-02-06 14:00:19,038 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 30 [2025-02-06 14:00:19,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:19,039 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2025-02-06 14:00:19,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2025-02-06 14:00:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 14:00:19,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:19,040 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:19,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:00:19,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:19,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:19,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:19,241 INFO L85 PathProgramCache]: Analyzing trace with hash 569320149, now seen corresponding path program 1 times [2025-02-06 14:00:19,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:19,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269961341] [2025-02-06 14:00:19,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:19,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:00:19,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:00:19,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:19,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:19,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464052537] [2025-02-06 14:00:19,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:19,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:19,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:19,258 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) [2025-02-06 14:00:19,268 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 [2025-02-06 14:00:19,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:00:19,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:00:19,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:19,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:19,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:00:19,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:19,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:19,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:19,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269961341] [2025-02-06 14:00:19,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:19,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464052537] [2025-02-06 14:00:19,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464052537] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:19,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:19,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:00:19,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964284386] [2025-02-06 14:00:19,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:19,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:00:19,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:19,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:00:19,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:19,331 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:19,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:19,411 INFO L93 Difference]: Finished difference Result 196 states and 212 transitions. [2025-02-06 14:00:19,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:00:19,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-02-06 14:00:19,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:19,413 INFO L225 Difference]: With dead ends: 196 [2025-02-06 14:00:19,414 INFO L226 Difference]: Without dead ends: 194 [2025-02-06 14:00:19,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:19,415 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:19,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 241 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-02-06 14:00:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2025-02-06 14:00:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.75) internal successors, (182), 153 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2025-02-06 14:00:19,433 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 30 [2025-02-06 14:00:19,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:19,434 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2025-02-06 14:00:19,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2025-02-06 14:00:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 14:00:19,435 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:19,435 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:19,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:00:19,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:19,636 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:19,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:19,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1652032625, now seen corresponding path program 1 times [2025-02-06 14:00:19,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:19,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492075145] [2025-02-06 14:00:19,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:19,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:19,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:00:19,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:00:19,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:19,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:19,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:19,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492075145] [2025-02-06 14:00:19,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492075145] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:19,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:19,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:00:19,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041632665] [2025-02-06 14:00:19,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:19,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:19,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:19,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:19,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:19,776 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:20,062 INFO L93 Difference]: Finished difference Result 191 states and 210 transitions. [2025-02-06 14:00:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:20,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-02-06 14:00:20,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:20,064 INFO L225 Difference]: With dead ends: 191 [2025-02-06 14:00:20,064 INFO L226 Difference]: Without dead ends: 190 [2025-02-06 14:00:20,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:20,065 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 53 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:20,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 418 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:00:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-02-06 14:00:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2025-02-06 14:00:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7428571428571429) internal successors, (183), 154 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2025-02-06 14:00:20,074 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 32 [2025-02-06 14:00:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:20,074 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2025-02-06 14:00:20,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2025-02-06 14:00:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 14:00:20,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:20,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:20,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:00:20,076 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:20,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:20,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1655819059, now seen corresponding path program 1 times [2025-02-06 14:00:20,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:20,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518214959] [2025-02-06 14:00:20,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:20,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:20,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:00:20,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:00:20,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:20,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:20,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032033418] [2025-02-06 14:00:20,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:20,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:20,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:20,093 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) [2025-02-06 14:00:20,095 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 [2025-02-06 14:00:20,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:00:20,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:00:20,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:20,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:20,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:20,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:20,252 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518214959] [2025-02-06 14:00:20,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032033418] [2025-02-06 14:00:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032033418] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:20,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:20,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422827072] [2025-02-06 14:00:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:20,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:20,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:20,254 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:20,410 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2025-02-06 14:00:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:20,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-02-06 14:00:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:20,411 INFO L225 Difference]: With dead ends: 188 [2025-02-06 14:00:20,411 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 14:00:20,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:20,412 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 186 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:20,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 14:00:20,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2025-02-06 14:00:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 154 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2025-02-06 14:00:20,423 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 32 [2025-02-06 14:00:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:20,427 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2025-02-06 14:00:20,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2025-02-06 14:00:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:00:20,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:20,428 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:20,437 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 [2025-02-06 14:00:20,628 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,SelfDestructingSolverStorable5 [2025-02-06 14:00:20,631 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:20,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:20,634 INFO L85 PathProgramCache]: Analyzing trace with hash -326596167, now seen corresponding path program 1 times [2025-02-06 14:00:20,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:20,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540184643] [2025-02-06 14:00:20,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:20,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:00:20,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:00:20,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:20,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:20,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367632561] [2025-02-06 14:00:20,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:20,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:20,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:20,658 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) [2025-02-06 14:00:20,659 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 [2025-02-06 14:00:20,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:00:20,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:00:20,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:20,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:20,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:00:20,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:20,745 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:20,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:20,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540184643] [2025-02-06 14:00:20,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:20,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367632561] [2025-02-06 14:00:20,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367632561] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:20,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:20,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:20,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66468381] [2025-02-06 14:00:20,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:20,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:20,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:20,751 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:20,909 INFO L93 Difference]: Finished difference Result 189 states and 208 transitions. [2025-02-06 14:00:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:20,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-02-06 14:00:20,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:20,910 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:00:20,910 INFO L226 Difference]: Without dead ends: 188 [2025-02-06 14:00:20,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:20,911 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 53 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:20,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-02-06 14:00:20,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2025-02-06 14:00:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 155 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 207 transitions. [2025-02-06 14:00:20,921 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 207 transitions. Word has length 33 [2025-02-06 14:00:20,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:20,921 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 207 transitions. [2025-02-06 14:00:20,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2025-02-06 14:00:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:00:20,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:20,924 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:20,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:00:21,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:21,125 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:21,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash -209216650, now seen corresponding path program 1 times [2025-02-06 14:00:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701005623] [2025-02-06 14:00:21,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:21,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:00:21,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:00:21,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:21,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246132199] [2025-02-06 14:00:21,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:21,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:21,139 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) [2025-02-06 14:00:21,143 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 [2025-02-06 14:00:21,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:00:21,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:00:21,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:21,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:21,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:21,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:21,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:21,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701005623] [2025-02-06 14:00:21,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:21,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246132199] [2025-02-06 14:00:21,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246132199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:21,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:21,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:21,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217216176] [2025-02-06 14:00:21,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:21,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:21,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:21,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:21,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:21,235 INFO L87 Difference]: Start difference. First operand 170 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:21,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:21,360 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2025-02-06 14:00:21,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:21,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-02-06 14:00:21,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:21,362 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:00:21,362 INFO L226 Difference]: Without dead ends: 188 [2025-02-06 14:00:21,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:21,363 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 184 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:21,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-02-06 14:00:21,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2025-02-06 14:00:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7169811320754718) internal successors, (182), 155 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:00:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 206 transitions. [2025-02-06 14:00:21,371 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 206 transitions. Word has length 33 [2025-02-06 14:00:21,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:21,371 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 206 transitions. [2025-02-06 14:00:21,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2025-02-06 14:00:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 14:00:21,372 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:21,372 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:21,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:00:21,572 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,SelfDestructingSolverStorable7 [2025-02-06 14:00:21,573 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:21,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:21,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1534546577, now seen corresponding path program 1 times [2025-02-06 14:00:21,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:21,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342950247] [2025-02-06 14:00:21,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:21,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:00:21,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:00:21,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:21,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920501195] [2025-02-06 14:00:21,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:21,587 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) [2025-02-06 14:00:21,590 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 [2025-02-06 14:00:21,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:00:21,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:00:21,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:21,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:00:21,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:21,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:21,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:21,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342950247] [2025-02-06 14:00:21,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:21,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920501195] [2025-02-06 14:00:21,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920501195] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:21,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:21,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:00:21,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56953943] [2025-02-06 14:00:21,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:21,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:00:21,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:21,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:00:21,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:21,655 INFO L87 Difference]: Start difference. First operand 170 states and 206 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:21,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:21,739 INFO L93 Difference]: Finished difference Result 284 states and 362 transitions. [2025-02-06 14:00:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:00:21,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-02-06 14:00:21,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:21,741 INFO L225 Difference]: With dead ends: 284 [2025-02-06 14:00:21,742 INFO L226 Difference]: Without dead ends: 278 [2025-02-06 14:00:21,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:00:21,744 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 56 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:21,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 218 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2025-02-06 14:00:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 246. [2025-02-06 14:00:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:00:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2025-02-06 14:00:21,763 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 34 [2025-02-06 14:00:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:21,763 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2025-02-06 14:00:21,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2025-02-06 14:00:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 14:00:21,764 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:21,764 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:21,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:00:21,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:21,968 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:21,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:21,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2104218513, now seen corresponding path program 1 times [2025-02-06 14:00:21,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:21,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996140430] [2025-02-06 14:00:21,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:21,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:00:22,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:00:22,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:22,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:22,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184175398] [2025-02-06 14:00:22,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:22,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:22,008 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) [2025-02-06 14:00:22,010 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 [2025-02-06 14:00:22,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:00:22,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:00:22,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:22,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:22,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:22,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:22,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:22,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:22,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996140430] [2025-02-06 14:00:22,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:22,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184175398] [2025-02-06 14:00:22,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184175398] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:22,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:22,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:22,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142617062] [2025-02-06 14:00:22,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:22,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:22,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:22,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:22,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:22,084 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:22,255 INFO L93 Difference]: Finished difference Result 271 states and 338 transitions. [2025-02-06 14:00:22,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:22,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-02-06 14:00:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:22,257 INFO L225 Difference]: With dead ends: 271 [2025-02-06 14:00:22,257 INFO L226 Difference]: Without dead ends: 270 [2025-02-06 14:00:22,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:22,257 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:22,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 327 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-02-06 14:00:22,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 246. [2025-02-06 14:00:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6781609195402298) internal successors, (292), 223 states have internal predecessors, (292), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:00:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 332 transitions. [2025-02-06 14:00:22,273 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 332 transitions. Word has length 34 [2025-02-06 14:00:22,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:22,274 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 332 transitions. [2025-02-06 14:00:22,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 332 transitions. [2025-02-06 14:00:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 14:00:22,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:22,274 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:22,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 14:00:22,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:22,475 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:22,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash 806264532, now seen corresponding path program 1 times [2025-02-06 14:00:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:22,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387553074] [2025-02-06 14:00:22,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:22,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:22,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:00:22,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:00:22,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:22,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:22,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914581250] [2025-02-06 14:00:22,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:22,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:22,489 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) [2025-02-06 14:00:22,492 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 [2025-02-06 14:00:22,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:00:22,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:00:22,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:22,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:22,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:22,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:22,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:22,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:22,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387553074] [2025-02-06 14:00:22,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:22,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914581250] [2025-02-06 14:00:22,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914581250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:22,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:22,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:22,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529377603] [2025-02-06 14:00:22,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:22,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:22,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:22,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:22,612 INFO L87 Difference]: Start difference. First operand 246 states and 332 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:22,855 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2025-02-06 14:00:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:22,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2025-02-06 14:00:22,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:22,858 INFO L225 Difference]: With dead ends: 272 [2025-02-06 14:00:22,858 INFO L226 Difference]: Without dead ends: 271 [2025-02-06 14:00:22,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:22,858 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:22,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 329 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2025-02-06 14:00:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 246. [2025-02-06 14:00:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6666666666666667) internal successors, (290), 223 states have internal predecessors, (290), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:00:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 330 transitions. [2025-02-06 14:00:22,871 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 330 transitions. Word has length 35 [2025-02-06 14:00:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:22,872 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 330 transitions. [2025-02-06 14:00:22,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 330 transitions. [2025-02-06 14:00:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-06 14:00:22,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:22,873 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:22,881 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 [2025-02-06 14:00:23,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:23,077 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:23,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:23,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1525477779, now seen corresponding path program 1 times [2025-02-06 14:00:23,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:23,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542384007] [2025-02-06 14:00:23,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:23,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:23,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:00:23,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:00:23,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:23,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:23,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:23,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542384007] [2025-02-06 14:00:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542384007] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:23,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:23,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:00:23,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967177720] [2025-02-06 14:00:23,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:23,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:23,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:23,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:23,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:23,186 INFO L87 Difference]: Start difference. First operand 246 states and 330 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:23,435 INFO L93 Difference]: Finished difference Result 275 states and 340 transitions. [2025-02-06 14:00:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:23,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-02-06 14:00:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:23,437 INFO L225 Difference]: With dead ends: 275 [2025-02-06 14:00:23,437 INFO L226 Difference]: Without dead ends: 274 [2025-02-06 14:00:23,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:23,438 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 55 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:23,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 442 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:23,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-06 14:00:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 251. [2025-02-06 14:00:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 179 states have (on average 1.6592178770949721) internal successors, (297), 228 states have internal predecessors, (297), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:00:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 337 transitions. [2025-02-06 14:00:23,451 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 337 transitions. Word has length 36 [2025-02-06 14:00:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:23,451 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 337 transitions. [2025-02-06 14:00:23,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2025-02-06 14:00:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 14:00:23,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:23,452 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:23,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 14:00:23,452 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:23,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash -45170891, now seen corresponding path program 1 times [2025-02-06 14:00:23,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:23,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44859780] [2025-02-06 14:00:23,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:23,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:00:23,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:00:23,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:23,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:23,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993830997] [2025-02-06 14:00:23,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:23,474 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) [2025-02-06 14:00:23,485 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 [2025-02-06 14:00:23,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:00:23,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:00:23,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:23,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:23,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:00:23,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:23,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:23,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44859780] [2025-02-06 14:00:23,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993830997] [2025-02-06 14:00:23,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993830997] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:23,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:23,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:00:23,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152983169] [2025-02-06 14:00:23,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:23,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:23,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:23,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:23,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:23,579 INFO L87 Difference]: Start difference. First operand 251 states and 337 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:23,808 INFO L93 Difference]: Finished difference Result 292 states and 348 transitions. [2025-02-06 14:00:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:23,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2025-02-06 14:00:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:23,811 INFO L225 Difference]: With dead ends: 292 [2025-02-06 14:00:23,811 INFO L226 Difference]: Without dead ends: 291 [2025-02-06 14:00:23,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:23,812 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 108 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:23,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 442 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-06 14:00:23,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 253. [2025-02-06 14:00:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 181 states have (on average 1.6519337016574585) internal successors, (299), 230 states have internal predecessors, (299), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:00:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 339 transitions. [2025-02-06 14:00:23,826 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 339 transitions. Word has length 37 [2025-02-06 14:00:23,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:23,826 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 339 transitions. [2025-02-06 14:00:23,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 339 transitions. [2025-02-06 14:00:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:00:23,827 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:23,827 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:23,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:24,027 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,SelfDestructingSolverStorable12 [2025-02-06 14:00:24,028 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:24,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1361157970, now seen corresponding path program 1 times [2025-02-06 14:00:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051649892] [2025-02-06 14:00:24,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:24,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:00:24,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:00:24,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:24,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051649892] [2025-02-06 14:00:24,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051649892] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211978959] [2025-02-06 14:00:24,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:24,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:24,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:24,162 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) [2025-02-06 14:00:24,163 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 [2025-02-06 14:00:24,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:00:24,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:00:24,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:24,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:24,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:00:24,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:24,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:24,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211978959] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:24,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:00:24,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-06 14:00:24,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842988176] [2025-02-06 14:00:24,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:24,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:00:24,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:24,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:00:24,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:24,342 INFO L87 Difference]: Start difference. First operand 253 states and 339 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:25,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:25,037 INFO L93 Difference]: Finished difference Result 556 states and 698 transitions. [2025-02-06 14:00:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:00:25,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-06 14:00:25,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:25,040 INFO L225 Difference]: With dead ends: 556 [2025-02-06 14:00:25,040 INFO L226 Difference]: Without dead ends: 528 [2025-02-06 14:00:25,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:00:25,041 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 648 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:25,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 792 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:00:25,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2025-02-06 14:00:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 345. [2025-02-06 14:00:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 265 states have (on average 1.7018867924528303) internal successors, (451), 314 states have internal predecessors, (451), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 14:00:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 507 transitions. [2025-02-06 14:00:25,057 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 507 transitions. Word has length 40 [2025-02-06 14:00:25,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:25,057 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 507 transitions. [2025-02-06 14:00:25,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 507 transitions. [2025-02-06 14:00:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:00:25,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:25,058 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:25,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:00:25,262 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,SelfDestructingSolverStorable13 [2025-02-06 14:00:25,262 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:25,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:25,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1323233327, now seen corresponding path program 1 times [2025-02-06 14:00:25,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:25,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305413921] [2025-02-06 14:00:25,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:25,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:25,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:25,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:25,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:25,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252198802] [2025-02-06 14:00:25,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:25,276 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) [2025-02-06 14:00:25,277 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 [2025-02-06 14:00:25,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:25,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:25,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:25,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:25,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:25,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:25,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:25,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305413921] [2025-02-06 14:00:25,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252198802] [2025-02-06 14:00:25,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252198802] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:25,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:25,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762217386] [2025-02-06 14:00:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:25,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:25,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:25,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:25,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:25,379 INFO L87 Difference]: Start difference. First operand 345 states and 507 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:00:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:25,498 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2025-02-06 14:00:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:25,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2025-02-06 14:00:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:25,501 INFO L225 Difference]: With dead ends: 363 [2025-02-06 14:00:25,501 INFO L226 Difference]: Without dead ends: 362 [2025-02-06 14:00:25,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:25,501 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:25,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 181 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-06 14:00:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 345. [2025-02-06 14:00:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 265 states have (on average 1.6943396226415095) internal successors, (449), 314 states have internal predecessors, (449), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 14:00:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 505 transitions. [2025-02-06 14:00:25,518 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 505 transitions. Word has length 43 [2025-02-06 14:00:25,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:25,518 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 505 transitions. [2025-02-06 14:00:25,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:00:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 505 transitions. [2025-02-06 14:00:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:00:25,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:25,519 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:25,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:25,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:25,720 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:25,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:25,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1466318639, now seen corresponding path program 1 times [2025-02-06 14:00:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:25,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974938881] [2025-02-06 14:00:25,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:25,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:25,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:25,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:25,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:25,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:25,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216211329] [2025-02-06 14:00:25,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:25,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:25,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:25,733 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) [2025-02-06 14:00:25,735 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 [2025-02-06 14:00:25,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:25,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:25,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:25,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:25,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:00:25,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:00:25,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:26,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:26,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974938881] [2025-02-06 14:00:26,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:26,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216211329] [2025-02-06 14:00:26,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216211329] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:26,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:26,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-06 14:00:26,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057115485] [2025-02-06 14:00:26,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:26,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:00:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:26,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:00:26,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:26,185 INFO L87 Difference]: Start difference. First operand 345 states and 505 transitions. Second operand has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:00:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:26,915 INFO L93 Difference]: Finished difference Result 663 states and 956 transitions. [2025-02-06 14:00:26,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:00:26,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2025-02-06 14:00:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:26,921 INFO L225 Difference]: With dead ends: 663 [2025-02-06 14:00:26,921 INFO L226 Difference]: Without dead ends: 660 [2025-02-06 14:00:26,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:00:26,922 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 576 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:26,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1022 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:00:26,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2025-02-06 14:00:26,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 388. [2025-02-06 14:00:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 306 states have (on average 1.6699346405228759) internal successors, (511), 355 states have internal predecessors, (511), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 571 transitions. [2025-02-06 14:00:26,957 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 571 transitions. Word has length 43 [2025-02-06 14:00:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:26,957 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 571 transitions. [2025-02-06 14:00:26,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:00:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 571 transitions. [2025-02-06 14:00:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:00:26,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:26,958 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:26,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:27,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:27,163 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:27,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1929439883, now seen corresponding path program 1 times [2025-02-06 14:00:27,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:27,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395668063] [2025-02-06 14:00:27,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:27,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:27,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:27,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:27,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:27,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44669357] [2025-02-06 14:00:27,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:27,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:27,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:27,176 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) [2025-02-06 14:00:27,179 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 [2025-02-06 14:00:27,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:27,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:27,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:27,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:27,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:27,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:27,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395668063] [2025-02-06 14:00:27,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44669357] [2025-02-06 14:00:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44669357] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:27,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637661702] [2025-02-06 14:00:27,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:27,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:27,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:27,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:27,271 INFO L87 Difference]: Start difference. First operand 388 states and 571 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:00:27,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:27,438 INFO L93 Difference]: Finished difference Result 406 states and 573 transitions. [2025-02-06 14:00:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2025-02-06 14:00:27,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:27,440 INFO L225 Difference]: With dead ends: 406 [2025-02-06 14:00:27,440 INFO L226 Difference]: Without dead ends: 405 [2025-02-06 14:00:27,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:27,441 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 188 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:27,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 181 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-06 14:00:27,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 388. [2025-02-06 14:00:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 306 states have (on average 1.6633986928104576) internal successors, (509), 355 states have internal predecessors, (509), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 569 transitions. [2025-02-06 14:00:27,465 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 569 transitions. Word has length 44 [2025-02-06 14:00:27,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:27,465 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 569 transitions. [2025-02-06 14:00:27,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:00:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 569 transitions. [2025-02-06 14:00:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:00:27,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:27,466 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:27,474 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 [2025-02-06 14:00:27,670 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,SelfDestructingSolverStorable16 [2025-02-06 14:00:27,670 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:27,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:27,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1788762524, now seen corresponding path program 1 times [2025-02-06 14:00:27,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:27,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273870911] [2025-02-06 14:00:27,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:27,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:27,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:27,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:27,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:27,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:27,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1820211129] [2025-02-06 14:00:27,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:27,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:27,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:27,690 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) [2025-02-06 14:00:27,692 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 [2025-02-06 14:00:27,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:27,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:27,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:27,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:27,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:00:27,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:00:27,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273870911] [2025-02-06 14:00:28,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820211129] [2025-02-06 14:00:28,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820211129] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:28,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:28,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:00:28,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918897589] [2025-02-06 14:00:28,190 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:28,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:00:28,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:28,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:00:28,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:28,191 INFO L87 Difference]: Start difference. First operand 388 states and 569 transitions. Second operand has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:28,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:28,479 INFO L93 Difference]: Finished difference Result 630 states and 919 transitions. [2025-02-06 14:00:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:00:28,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-06 14:00:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:28,483 INFO L225 Difference]: With dead ends: 630 [2025-02-06 14:00:28,483 INFO L226 Difference]: Without dead ends: 628 [2025-02-06 14:00:28,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:00:28,484 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 515 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:28,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 444 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2025-02-06 14:00:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 553. [2025-02-06 14:00:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 453 states have (on average 1.706401766004415) internal successors, (773), 502 states have internal predecessors, (773), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 14:00:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 869 transitions. [2025-02-06 14:00:28,537 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 869 transitions. Word has length 44 [2025-02-06 14:00:28,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:28,537 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 869 transitions. [2025-02-06 14:00:28,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 869 transitions. [2025-02-06 14:00:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:00:28,537 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:28,537 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:28,545 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 [2025-02-06 14:00:28,738 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,SelfDestructingSolverStorable17 [2025-02-06 14:00:28,738 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:28,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash -316905713, now seen corresponding path program 1 times [2025-02-06 14:00:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:28,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263243490] [2025-02-06 14:00:28,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:28,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:28,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:28,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:28,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:28,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:28,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452816205] [2025-02-06 14:00:28,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:28,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:28,750 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) [2025-02-06 14:00:28,752 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 [2025-02-06 14:00:28,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:28,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:28,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:28,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:28,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:28,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:28,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:28,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:28,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263243490] [2025-02-06 14:00:28,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:28,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452816205] [2025-02-06 14:00:28,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452816205] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:28,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:28,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:28,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280621571] [2025-02-06 14:00:28,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:28,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:28,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:28,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:28,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:28,823 INFO L87 Difference]: Start difference. First operand 553 states and 869 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:00:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:28,964 INFO L93 Difference]: Finished difference Result 581 states and 881 transitions. [2025-02-06 14:00:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:28,965 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-06 14:00:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:28,968 INFO L225 Difference]: With dead ends: 581 [2025-02-06 14:00:28,968 INFO L226 Difference]: Without dead ends: 580 [2025-02-06 14:00:28,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:28,969 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 93 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:28,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 242 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:28,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-02-06 14:00:29,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 553. [2025-02-06 14:00:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 453 states have (on average 1.7019867549668874) internal successors, (771), 502 states have internal predecessors, (771), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 14:00:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 867 transitions. [2025-02-06 14:00:29,015 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 867 transitions. Word has length 45 [2025-02-06 14:00:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:29,016 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 867 transitions. [2025-02-06 14:00:29,016 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:00:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 867 transitions. [2025-02-06 14:00:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:00:29,016 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:29,016 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:29,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 14:00:29,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:29,217 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:29,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash -386722963, now seen corresponding path program 1 times [2025-02-06 14:00:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:29,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270919985] [2025-02-06 14:00:29,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:29,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:29,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:29,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:29,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:29,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:29,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:29,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270919985] [2025-02-06 14:00:29,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270919985] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:29,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409425241] [2025-02-06 14:00:29,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:29,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:29,289 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) [2025-02-06 14:00:29,292 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 [2025-02-06 14:00:29,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:29,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:29,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:29,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:29,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:00:29,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:29,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409425241] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:29,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:29,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-02-06 14:00:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327587283] [2025-02-06 14:00:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:29,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:29,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:29,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:29,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:00:29,378 INFO L87 Difference]: Start difference. First operand 553 states and 867 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:29,608 INFO L93 Difference]: Finished difference Result 755 states and 1097 transitions. [2025-02-06 14:00:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:00:29,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2025-02-06 14:00:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:29,611 INFO L225 Difference]: With dead ends: 755 [2025-02-06 14:00:29,611 INFO L226 Difference]: Without dead ends: 472 [2025-02-06 14:00:29,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:00:29,614 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 159 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:29,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:29,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2025-02-06 14:00:29,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 347. [2025-02-06 14:00:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.651685393258427) internal successors, (441), 314 states have internal predecessors, (441), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 501 transitions. [2025-02-06 14:00:29,645 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 501 transitions. Word has length 45 [2025-02-06 14:00:29,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:29,646 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 501 transitions. [2025-02-06 14:00:29,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:00:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 501 transitions. [2025-02-06 14:00:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:00:29,647 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:29,647 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:29,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:00:29,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:29,847 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:29,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash -382936529, now seen corresponding path program 1 times [2025-02-06 14:00:29,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:29,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829158171] [2025-02-06 14:00:29,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:29,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:29,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:29,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:29,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:29,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59537452] [2025-02-06 14:00:29,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:29,863 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) [2025-02-06 14:00:29,865 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 [2025-02-06 14:00:29,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:29,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:29,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:29,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:29,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:00:29,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:30,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:30,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:30,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829158171] [2025-02-06 14:00:30,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:30,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59537452] [2025-02-06 14:00:30,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59537452] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:30,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:30,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:30,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244469417] [2025-02-06 14:00:30,330 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:30,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:30,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:30,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:30,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:00:30,331 INFO L87 Difference]: Start difference. First operand 347 states and 501 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:30,886 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2025-02-06 14:00:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:00:30,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-02-06 14:00:30,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:30,890 INFO L225 Difference]: With dead ends: 472 [2025-02-06 14:00:30,891 INFO L226 Difference]: Without dead ends: 471 [2025-02-06 14:00:30,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:00:30,892 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 317 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:30,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 638 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:00:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-06 14:00:30,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2025-02-06 14:00:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6676557863501484) internal successors, (562), 384 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-06 14:00:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 640 transitions. [2025-02-06 14:00:30,934 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 640 transitions. Word has length 45 [2025-02-06 14:00:30,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:30,934 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 640 transitions. [2025-02-06 14:00:30,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 640 transitions. [2025-02-06 14:00:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:00:30,935 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:30,935 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:30,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:00:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:31,136 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:31,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1234142455, now seen corresponding path program 1 times [2025-02-06 14:00:31,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:31,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97796158] [2025-02-06 14:00:31,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:31,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:31,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:31,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:31,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:31,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:31,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211759457] [2025-02-06 14:00:31,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:31,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:31,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:31,153 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) [2025-02-06 14:00:31,156 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 [2025-02-06 14:00:31,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:31,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:31,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:31,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:31,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:00:31,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:00:31,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:31,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97796158] [2025-02-06 14:00:31,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211759457] [2025-02-06 14:00:31,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211759457] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:31,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:31,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:00:31,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514290136] [2025-02-06 14:00:31,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:31,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:00:31,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:31,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:00:31,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:31,269 INFO L87 Difference]: Start difference. First operand 426 states and 640 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:00:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:31,485 INFO L93 Difference]: Finished difference Result 455 states and 653 transitions. [2025-02-06 14:00:31,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:00:31,486 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2025-02-06 14:00:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:31,488 INFO L225 Difference]: With dead ends: 455 [2025-02-06 14:00:31,488 INFO L226 Difference]: Without dead ends: 454 [2025-02-06 14:00:31,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:00:31,490 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:31,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 240 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-06 14:00:31,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 426. [2025-02-06 14:00:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6617210682492582) internal successors, (560), 384 states have internal predecessors, (560), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-06 14:00:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 638 transitions. [2025-02-06 14:00:31,523 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 638 transitions. Word has length 46 [2025-02-06 14:00:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:31,523 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 638 transitions. [2025-02-06 14:00:31,524 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:00:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 638 transitions. [2025-02-06 14:00:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:00:31,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:31,525 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:31,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:00:31,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:31,726 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:31,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:31,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1013869562, now seen corresponding path program 1 times [2025-02-06 14:00:31,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:31,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642471218] [2025-02-06 14:00:31,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:31,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:31,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:31,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:31,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:31,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:31,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466098034] [2025-02-06 14:00:31,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:31,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:31,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:31,739 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) [2025-02-06 14:00:31,742 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 [2025-02-06 14:00:31,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:31,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:31,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:31,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:31,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:00:31,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:31,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:32,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:32,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642471218] [2025-02-06 14:00:32,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:32,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466098034] [2025-02-06 14:00:32,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466098034] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:32,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:32,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:32,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280386156] [2025-02-06 14:00:32,453 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:32,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:32,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:32,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:32,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:00:32,453 INFO L87 Difference]: Start difference. First operand 426 states and 638 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:32,976 INFO L93 Difference]: Finished difference Result 472 states and 643 transitions. [2025-02-06 14:00:32,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:00:32,977 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2025-02-06 14:00:32,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:32,979 INFO L225 Difference]: With dead ends: 472 [2025-02-06 14:00:32,979 INFO L226 Difference]: Without dead ends: 471 [2025-02-06 14:00:32,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:00:32,979 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 316 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:32,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 656 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:00:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-06 14:00:33,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2025-02-06 14:00:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6528189910979227) internal successors, (557), 384 states have internal predecessors, (557), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-06 14:00:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 635 transitions. [2025-02-06 14:00:33,020 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 635 transitions. Word has length 46 [2025-02-06 14:00:33,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:33,021 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 635 transitions. [2025-02-06 14:00:33,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 635 transitions. [2025-02-06 14:00:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:00:33,021 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:33,022 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:33,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:00:33,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:33,226 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:33,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:33,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1365185421, now seen corresponding path program 1 times [2025-02-06 14:00:33,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:33,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421035268] [2025-02-06 14:00:33,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:33,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:33,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:33,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:33,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:33,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:33,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833549160] [2025-02-06 14:00:33,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:33,244 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) [2025-02-06 14:00:33,245 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 [2025-02-06 14:00:33,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:33,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:33,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:33,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:33,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:00:33,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:33,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:37,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:37,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421035268] [2025-02-06 14:00:37,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:37,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833549160] [2025-02-06 14:00:37,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833549160] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:37,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:37,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-06 14:00:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771038064] [2025-02-06 14:00:37,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:37,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:00:37,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:37,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:00:37,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2025-02-06 14:00:37,670 INFO L87 Difference]: Start difference. First operand 426 states and 635 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:00:38,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:38,501 INFO L93 Difference]: Finished difference Result 479 states and 647 transitions. [2025-02-06 14:00:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:00:38,502 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2025-02-06 14:00:38,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:38,504 INFO L225 Difference]: With dead ends: 479 [2025-02-06 14:00:38,504 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 14:00:38,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2025-02-06 14:00:38,504 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 314 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:38,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 972 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:00:38,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 14:00:38,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 347. [2025-02-06 14:00:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.6029962546816479) internal successors, (428), 314 states have internal predecessors, (428), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 488 transitions. [2025-02-06 14:00:38,531 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 488 transitions. Word has length 47 [2025-02-06 14:00:38,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:38,531 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 488 transitions. [2025-02-06 14:00:38,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:00:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 488 transitions. [2025-02-06 14:00:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:00:38,532 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:38,532 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:38,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:38,733 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,SelfDestructingSolverStorable23 [2025-02-06 14:00:38,733 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:38,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash -628924840, now seen corresponding path program 1 times [2025-02-06 14:00:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081282883] [2025-02-06 14:00:38,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:38,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:00:38,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:00:38,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:38,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:38,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829326982] [2025-02-06 14:00:38,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:38,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:38,746 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) [2025-02-06 14:00:38,749 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 [2025-02-06 14:00:38,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:00:38,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:00:38,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:38,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:38,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 14:00:38,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:38,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:00:43,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081282883] [2025-02-06 14:00:43,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829326982] [2025-02-06 14:00:43,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829326982] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:43,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:43,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-02-06 14:00:43,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803178074] [2025-02-06 14:00:43,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:43,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:00:43,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:43,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:00:43,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:00:43,357 INFO L87 Difference]: Start difference. First operand 347 states and 488 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:00:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:44,393 INFO L93 Difference]: Finished difference Result 398 states and 502 transitions. [2025-02-06 14:00:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:00:44,394 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 48 [2025-02-06 14:00:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:44,395 INFO L225 Difference]: With dead ends: 398 [2025-02-06 14:00:44,395 INFO L226 Difference]: Without dead ends: 396 [2025-02-06 14:00:44,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=59, Invalid=180, Unknown=1, NotChecked=0, Total=240 [2025-02-06 14:00:44,396 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 441 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:44,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 683 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 14:00:44,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-06 14:00:44,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 348. [2025-02-06 14:00:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.585820895522388) internal successors, (425), 315 states have internal predecessors, (425), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2025-02-06 14:00:44,430 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 48 [2025-02-06 14:00:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:44,430 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2025-02-06 14:00:44,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:00:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2025-02-06 14:00:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 14:00:44,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:44,431 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:44,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:00:44,631 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,SelfDestructingSolverStorable24 [2025-02-06 14:00:44,631 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:44,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash -129076707, now seen corresponding path program 1 times [2025-02-06 14:00:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153024433] [2025-02-06 14:00:44,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:44,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:00:44,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:00:44,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:44,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-06 14:00:44,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:44,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153024433] [2025-02-06 14:00:44,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153024433] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:44,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155743585] [2025-02-06 14:00:44,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:44,785 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) [2025-02-06 14:00:44,786 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 [2025-02-06 14:00:44,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:00:44,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:00:44,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:44,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:44,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:00:44,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:00:44,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:44,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155743585] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:44,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:44,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-02-06 14:00:44,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475980637] [2025-02-06 14:00:44,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:44,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:44,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:44,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:44,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:44,900 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:45,124 INFO L93 Difference]: Finished difference Result 375 states and 489 transitions. [2025-02-06 14:00:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2025-02-06 14:00:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:45,126 INFO L225 Difference]: With dead ends: 375 [2025-02-06 14:00:45,126 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 14:00:45,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:00:45,127 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 260 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:45,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 276 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 14:00:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 348. [2025-02-06 14:00:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5820895522388059) internal successors, (424), 315 states have internal predecessors, (424), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 484 transitions. [2025-02-06 14:00:45,158 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 484 transitions. Word has length 54 [2025-02-06 14:00:45,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:45,158 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 484 transitions. [2025-02-06 14:00:45,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 484 transitions. [2025-02-06 14:00:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 14:00:45,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:45,159 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:45,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:00:45,360 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,SelfDestructingSolverStorable25 [2025-02-06 14:00:45,360 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:45,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1001843991, now seen corresponding path program 1 times [2025-02-06 14:00:45,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808229710] [2025-02-06 14:00:45,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:45,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:45,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:00:45,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:00:45,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:45,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:45,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324628801] [2025-02-06 14:00:45,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:45,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:45,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:45,372 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) [2025-02-06 14:00:45,374 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 [2025-02-06 14:00:45,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:00:45,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:00:45,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:45,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:45,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:00:45,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:00:45,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:49,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:49,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808229710] [2025-02-06 14:00:49,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:49,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324628801] [2025-02-06 14:00:49,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324628801] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:49,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:49,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:49,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918204673] [2025-02-06 14:00:49,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:49,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:49,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:49,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:49,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:00:49,305 INFO L87 Difference]: Start difference. First operand 348 states and 484 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:00:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:49,572 INFO L93 Difference]: Finished difference Result 400 states and 504 transitions. [2025-02-06 14:00:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:00:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2025-02-06 14:00:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:49,574 INFO L225 Difference]: With dead ends: 400 [2025-02-06 14:00:49,575 INFO L226 Difference]: Without dead ends: 398 [2025-02-06 14:00:49,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:00:49,575 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 416 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:49,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 645 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:49,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-02-06 14:00:49,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 348. [2025-02-06 14:00:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5671641791044777) internal successors, (420), 315 states have internal predecessors, (420), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 480 transitions. [2025-02-06 14:00:49,600 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 480 transitions. Word has length 54 [2025-02-06 14:00:49,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:49,601 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 480 transitions. [2025-02-06 14:00:49,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:00:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 480 transitions. [2025-02-06 14:00:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:00:49,602 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:49,602 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:49,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 14:00:49,802 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,SelfDestructingSolverStorable26 [2025-02-06 14:00:49,803 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:49,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:49,803 INFO L85 PathProgramCache]: Analyzing trace with hash 293589426, now seen corresponding path program 1 times [2025-02-06 14:00:49,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:49,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088337685] [2025-02-06 14:00:49,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:49,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:49,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:00:49,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:00:49,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:49,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:49,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359587403] [2025-02-06 14:00:49,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:49,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:49,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:49,816 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) [2025-02-06 14:00:49,818 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 [2025-02-06 14:00:49,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:00:49,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:00:49,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:49,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:49,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:00:49,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:00:49,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:49,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:49,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088337685] [2025-02-06 14:00:49,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:49,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359587403] [2025-02-06 14:00:49,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359587403] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:49,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:49,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:00:49,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882974626] [2025-02-06 14:00:49,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:49,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:49,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:49,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:49,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:49,928 INFO L87 Difference]: Start difference. First operand 348 states and 480 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:50,125 INFO L93 Difference]: Finished difference Result 375 states and 484 transitions. [2025-02-06 14:00:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2025-02-06 14:00:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:50,127 INFO L225 Difference]: With dead ends: 375 [2025-02-06 14:00:50,127 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 14:00:50,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:00:50,127 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 257 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:50,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 278 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 14:00:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 348. [2025-02-06 14:00:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5634328358208955) internal successors, (419), 315 states have internal predecessors, (419), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2025-02-06 14:00:50,160 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 55 [2025-02-06 14:00:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:50,160 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2025-02-06 14:00:50,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2025-02-06 14:00:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:00:50,161 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:50,161 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:50,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-06 14:00:50,362 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,SelfDestructingSolverStorable27 [2025-02-06 14:00:50,362 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:50,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:50,363 INFO L85 PathProgramCache]: Analyzing trace with hash 992392713, now seen corresponding path program 1 times [2025-02-06 14:00:50,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:50,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953456780] [2025-02-06 14:00:50,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:50,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:00:50,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:00:50,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:50,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:50,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525826697] [2025-02-06 14:00:50,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:50,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:50,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:50,378 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) [2025-02-06 14:00:50,379 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 [2025-02-06 14:00:50,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:00:50,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:00:50,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:50,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:50,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:00:50,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:00:50,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:54,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:54,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953456780] [2025-02-06 14:00:54,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:54,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525826697] [2025-02-06 14:00:54,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525826697] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:54,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:54,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:54,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477009551] [2025-02-06 14:00:54,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:54,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:54,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:54,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:54,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=111, Unknown=2, NotChecked=0, Total=156 [2025-02-06 14:00:54,350 INFO L87 Difference]: Start difference. First operand 348 states and 479 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:00:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:54,598 INFO L93 Difference]: Finished difference Result 400 states and 499 transitions. [2025-02-06 14:00:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:00:54,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 55 [2025-02-06 14:00:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:54,600 INFO L225 Difference]: With dead ends: 400 [2025-02-06 14:00:54,600 INFO L226 Difference]: Without dead ends: 398 [2025-02-06 14:00:54,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=54, Invalid=126, Unknown=2, NotChecked=0, Total=182 [2025-02-06 14:00:54,600 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 304 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:54,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 474 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-02-06 14:00:54,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 348. [2025-02-06 14:00:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5485074626865671) internal successors, (415), 315 states have internal predecessors, (415), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:00:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 475 transitions. [2025-02-06 14:00:54,625 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 475 transitions. Word has length 55 [2025-02-06 14:00:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:54,625 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 475 transitions. [2025-02-06 14:00:54,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:00:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 475 transitions. [2025-02-06 14:00:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:00:54,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:54,626 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:00:54,633 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 [2025-02-06 14:00:54,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:00:54,826 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:00:54,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:54,827 INFO L85 PathProgramCache]: Analyzing trace with hash 699403093, now seen corresponding path program 1 times [2025-02-06 14:00:54,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:54,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195957080] [2025-02-06 14:00:54,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:54,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:54,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:00:54,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:00:54,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:54,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:54,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908528217] [2025-02-06 14:00:54,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:54,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:54,839 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) [2025-02-06 14:00:54,841 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 [2025-02-06 14:00:54,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:00:54,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:00:54,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:54,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:54,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 14:00:54,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:00:55,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:59,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:59,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195957080] [2025-02-06 14:00:59,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:59,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908528217] [2025-02-06 14:00:59,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908528217] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:59,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:59,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:00:59,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060514034] [2025-02-06 14:00:59,689 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:59,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:00:59,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:59,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:00:59,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=342, Unknown=1, NotChecked=0, Total=420 [2025-02-06 14:00:59,690 INFO L87 Difference]: Start difference. First operand 348 states and 475 transitions. Second operand has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:01:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:00,435 INFO L93 Difference]: Finished difference Result 476 states and 620 transitions. [2025-02-06 14:01:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:01:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2025-02-06 14:01:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:00,437 INFO L225 Difference]: With dead ends: 476 [2025-02-06 14:01:00,437 INFO L226 Difference]: Without dead ends: 475 [2025-02-06 14:01:00,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=145, Invalid=610, Unknown=1, NotChecked=0, Total=756 [2025-02-06 14:01:00,438 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 656 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:00,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 491 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:01:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2025-02-06 14:01:00,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 361. [2025-02-06 14:01:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 280 states have (on average 1.525) internal successors, (427), 327 states have internal predecessors, (427), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-06 14:01:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 489 transitions. [2025-02-06 14:01:00,466 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 489 transitions. Word has length 56 [2025-02-06 14:01:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:00,466 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 489 transitions. [2025-02-06 14:01:00,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:01:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 489 transitions. [2025-02-06 14:01:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-06 14:01:00,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:00,467 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:01:00,475 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 [2025-02-06 14:01:00,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:00,668 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:00,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:00,668 INFO L85 PathProgramCache]: Analyzing trace with hash 206659463, now seen corresponding path program 1 times [2025-02-06 14:01:00,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:00,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108207878] [2025-02-06 14:01:00,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:00,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:00,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:01:00,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:01:00,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:00,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:00,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055758255] [2025-02-06 14:01:00,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:00,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:00,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:00,685 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) [2025-02-06 14:01:00,688 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 [2025-02-06 14:01:00,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:01:00,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:01:00,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:00,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:00,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 14:01:00,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:01:01,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:01,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:01,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108207878] [2025-02-06 14:01:01,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:01,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055758255] [2025-02-06 14:01:01,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055758255] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:01,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:01,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:01:01,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047058130] [2025-02-06 14:01:01,725 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:01,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:01:01,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:01,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:01:01,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:01:01,726 INFO L87 Difference]: Start difference. First operand 361 states and 489 transitions. Second operand has 13 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:01:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:02,505 INFO L93 Difference]: Finished difference Result 476 states and 619 transitions. [2025-02-06 14:01:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:01:02,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 57 [2025-02-06 14:01:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:02,507 INFO L225 Difference]: With dead ends: 476 [2025-02-06 14:01:02,507 INFO L226 Difference]: Without dead ends: 475 [2025-02-06 14:01:02,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:01:02,508 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 506 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:02,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 566 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:01:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2025-02-06 14:01:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 350. [2025-02-06 14:01:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 270 states have (on average 1.5444444444444445) internal successors, (417), 317 states have internal predecessors, (417), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 14:01:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 477 transitions. [2025-02-06 14:01:02,535 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 477 transitions. Word has length 57 [2025-02-06 14:01:02,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:02,536 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 477 transitions. [2025-02-06 14:01:02,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:01:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 477 transitions. [2025-02-06 14:01:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 14:01:02,536 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:02,537 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:01:02,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 14:01:02,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:02,740 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:02,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:02,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2111476115, now seen corresponding path program 1 times [2025-02-06 14:01:02,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:02,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873252670] [2025-02-06 14:01:02,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:02,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 14:01:02,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:01:02,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:02,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:02,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197578648] [2025-02-06 14:01:02,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:02,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:02,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:02,752 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) [2025-02-06 14:01:02,756 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 [2025-02-06 14:01:02,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 14:01:02,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:01:02,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:02,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:02,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-06 14:01:02,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 14:01:03,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:07,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:07,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873252670] [2025-02-06 14:01:07,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:07,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197578648] [2025-02-06 14:01:07,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197578648] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:07,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:07,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:01:07,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036705114] [2025-02-06 14:01:07,080 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:07,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:01:07,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:07,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:01:07,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=149, Unknown=1, NotChecked=0, Total=182 [2025-02-06 14:01:07,081 INFO L87 Difference]: Start difference. First operand 350 states and 477 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:01:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:07,661 INFO L93 Difference]: Finished difference Result 470 states and 603 transitions. [2025-02-06 14:01:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:01:07,661 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2025-02-06 14:01:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:07,663 INFO L225 Difference]: With dead ends: 470 [2025-02-06 14:01:07,663 INFO L226 Difference]: Without dead ends: 469 [2025-02-06 14:01:07,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=41, Invalid=198, Unknown=1, NotChecked=0, Total=240 [2025-02-06 14:01:07,664 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 312 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:07,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 861 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:01:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-02-06 14:01:07,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 416. [2025-02-06 14:01:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 328 states have (on average 1.5426829268292683) internal successors, (506), 375 states have internal predecessors, (506), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-06 14:01:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2025-02-06 14:01:07,703 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 58 [2025-02-06 14:01:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:07,703 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2025-02-06 14:01:07,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:01:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2025-02-06 14:01:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 14:01:07,704 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:07,704 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 14:01:07,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 14:01:07,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:07,905 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:07,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:07,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1031250181, now seen corresponding path program 1 times [2025-02-06 14:01:07,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:07,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837413924] [2025-02-06 14:01:07,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:07,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:01:07,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:01:07,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:07,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:07,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289222342] [2025-02-06 14:01:07,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:07,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:07,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:07,918 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) [2025-02-06 14:01:07,929 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 [2025-02-06 14:01:07,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:01:07,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:01:07,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:07,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:07,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:01:07,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:01:08,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:01:16,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:16,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837413924] [2025-02-06 14:01:16,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:16,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289222342] [2025-02-06 14:01:16,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289222342] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:16,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:01:16,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-06 14:01:16,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529568214] [2025-02-06 14:01:16,209 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:16,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:16,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:16,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:16,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2025-02-06 14:01:16,211 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:01:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:17,001 INFO L93 Difference]: Finished difference Result 623 states and 809 transitions. [2025-02-06 14:01:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:01:17,002 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2025-02-06 14:01:17,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:17,004 INFO L225 Difference]: With dead ends: 623 [2025-02-06 14:01:17,004 INFO L226 Difference]: Without dead ends: 618 [2025-02-06 14:01:17,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2025-02-06 14:01:17,005 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 302 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:17,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 701 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:01:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-02-06 14:01:17,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 510. [2025-02-06 14:01:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 413 states have (on average 1.5835351089588379) internal successors, (654), 460 states have internal predecessors, (654), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-06 14:01:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 748 transitions. [2025-02-06 14:01:17,053 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 748 transitions. Word has length 59 [2025-02-06 14:01:17,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:17,054 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 748 transitions. [2025-02-06 14:01:17,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:01:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 748 transitions. [2025-02-06 14:01:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-06 14:01:17,054 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:17,055 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:17,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-06 14:01:17,255 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,SelfDestructingSolverStorable32 [2025-02-06 14:01:17,255 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:17,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:17,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1148096995, now seen corresponding path program 1 times [2025-02-06 14:01:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:17,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059391097] [2025-02-06 14:01:17,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:17,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:17,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:01:17,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:01:17,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:17,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:17,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456452152] [2025-02-06 14:01:17,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:17,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:17,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:17,272 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) [2025-02-06 14:01:17,274 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 [2025-02-06 14:01:17,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:01:17,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:01:17,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:17,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:17,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:01:17,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:01:17,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:17,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:17,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059391097] [2025-02-06 14:01:17,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:17,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456452152] [2025-02-06 14:01:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456452152] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:17,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:01:17,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956143915] [2025-02-06 14:01:17,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:17,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:01:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:17,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:01:17,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:01:17,378 INFO L87 Difference]: Start difference. First operand 510 states and 748 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:17,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:17,568 INFO L93 Difference]: Finished difference Result 587 states and 838 transitions. [2025-02-06 14:01:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:01:17,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2025-02-06 14:01:17,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:17,571 INFO L225 Difference]: With dead ends: 587 [2025-02-06 14:01:17,571 INFO L226 Difference]: Without dead ends: 584 [2025-02-06 14:01:17,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:17,572 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 216 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:17,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 208 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:01:17,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-02-06 14:01:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 566. [2025-02-06 14:01:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5488069414316703) internal successors, (714), 508 states have internal predecessors, (714), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 824 transitions. [2025-02-06 14:01:17,624 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 824 transitions. Word has length 61 [2025-02-06 14:01:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:17,624 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 824 transitions. [2025-02-06 14:01:17,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 824 transitions. [2025-02-06 14:01:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 14:01:17,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:17,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:17,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 14:01:17,826 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,SelfDestructingSolverStorable33 [2025-02-06 14:01:17,826 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:17,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:17,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1231268519, now seen corresponding path program 1 times [2025-02-06 14:01:17,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:17,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990611290] [2025-02-06 14:01:17,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:17,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:01:17,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:01:17,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:17,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:17,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410053894] [2025-02-06 14:01:17,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:17,844 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) [2025-02-06 14:01:17,847 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 [2025-02-06 14:01:17,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:01:17,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:01:17,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:17,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:17,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:01:17,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:01:17,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:17,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:17,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990611290] [2025-02-06 14:01:17,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:17,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410053894] [2025-02-06 14:01:17,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410053894] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:17,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:17,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:01:17,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879148204] [2025-02-06 14:01:17,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:17,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:01:17,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:17,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:01:17,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:01:17,964 INFO L87 Difference]: Start difference. First operand 566 states and 824 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:18,197 INFO L93 Difference]: Finished difference Result 585 states and 832 transitions. [2025-02-06 14:01:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:01:18,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2025-02-06 14:01:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:18,202 INFO L225 Difference]: With dead ends: 585 [2025-02-06 14:01:18,202 INFO L226 Difference]: Without dead ends: 584 [2025-02-06 14:01:18,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:18,203 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 200 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:18,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 280 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-02-06 14:01:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 566. [2025-02-06 14:01:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5444685466377441) internal successors, (712), 508 states have internal predecessors, (712), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 822 transitions. [2025-02-06 14:01:18,249 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 822 transitions. Word has length 62 [2025-02-06 14:01:18,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:18,249 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 822 transitions. [2025-02-06 14:01:18,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 822 transitions. [2025-02-06 14:01:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 14:01:18,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:18,250 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:18,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-06 14:01:18,450 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,SelfDestructingSolverStorable34 [2025-02-06 14:01:18,451 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:18,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1526895209, now seen corresponding path program 1 times [2025-02-06 14:01:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:18,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406663310] [2025-02-06 14:01:18,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:18,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:01:18,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:01:18,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:18,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:18,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:18,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406663310] [2025-02-06 14:01:18,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406663310] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:18,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:18,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:01:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878179728] [2025-02-06 14:01:18,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:18,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:01:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:18,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:01:18,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:01:18,520 INFO L87 Difference]: Start difference. First operand 566 states and 822 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:18,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:18,907 INFO L93 Difference]: Finished difference Result 588 states and 834 transitions. [2025-02-06 14:01:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:01:18,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2025-02-06 14:01:18,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:18,910 INFO L225 Difference]: With dead ends: 588 [2025-02-06 14:01:18,910 INFO L226 Difference]: Without dead ends: 586 [2025-02-06 14:01:18,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:18,911 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 227 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:18,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 280 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2025-02-06 14:01:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 568. [2025-02-06 14:01:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 463 states have (on average 1.5377969762419006) internal successors, (712), 510 states have internal predecessors, (712), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 822 transitions. [2025-02-06 14:01:18,956 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 822 transitions. Word has length 68 [2025-02-06 14:01:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:18,957 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 822 transitions. [2025-02-06 14:01:18,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 822 transitions. [2025-02-06 14:01:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 14:01:18,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:18,958 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:18,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-06 14:01:18,958 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:18,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1606278169, now seen corresponding path program 1 times [2025-02-06 14:01:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275822311] [2025-02-06 14:01:18,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:18,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 14:01:18,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 14:01:18,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:18,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-06 14:01:19,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275822311] [2025-02-06 14:01:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275822311] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891278165] [2025-02-06 14:01:19,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:19,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:19,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:19,191 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) [2025-02-06 14:01:19,193 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 [2025-02-06 14:01:19,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 14:01:19,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 14:01:19,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:19,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:19,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:01:19,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:01:19,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:19,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891278165] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:19,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2025-02-06 14:01:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673338490] [2025-02-06 14:01:19,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:19,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:19,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:19,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:19,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:01:19,380 INFO L87 Difference]: Start difference. First operand 568 states and 822 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:01:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:19,941 INFO L93 Difference]: Finished difference Result 621 states and 830 transitions. [2025-02-06 14:01:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:01:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2025-02-06 14:01:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:19,943 INFO L225 Difference]: With dead ends: 621 [2025-02-06 14:01:19,943 INFO L226 Difference]: Without dead ends: 620 [2025-02-06 14:01:19,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:01:19,944 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 406 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:19,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 657 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:01:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2025-02-06 14:01:19,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 568. [2025-02-06 14:01:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 463 states have (on average 1.5356371490280778) internal successors, (711), 510 states have internal predecessors, (711), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 821 transitions. [2025-02-06 14:01:19,998 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 821 transitions. Word has length 67 [2025-02-06 14:01:19,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:19,998 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 821 transitions. [2025-02-06 14:01:19,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:01:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 821 transitions. [2025-02-06 14:01:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 14:01:19,999 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:19,999 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:20,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-06 14:01:20,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:20,200 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:20,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash -89111186, now seen corresponding path program 1 times [2025-02-06 14:01:20,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:20,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351115508] [2025-02-06 14:01:20,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:20,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:20,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 14:01:20,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 14:01:20,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:20,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:20,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351115508] [2025-02-06 14:01:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351115508] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:20,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:20,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:01:20,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232735897] [2025-02-06 14:01:20,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:20,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:01:20,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:20,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:01:20,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:01:20,300 INFO L87 Difference]: Start difference. First operand 568 states and 821 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:20,611 INFO L93 Difference]: Finished difference Result 597 states and 829 transitions. [2025-02-06 14:01:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:01:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-02-06 14:01:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:20,614 INFO L225 Difference]: With dead ends: 597 [2025-02-06 14:01:20,614 INFO L226 Difference]: Without dead ends: 595 [2025-02-06 14:01:20,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:01:20,615 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 310 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:20,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 409 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:20,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-02-06 14:01:20,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 568. [2025-02-06 14:01:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 463 states have (on average 1.531317494600432) internal successors, (709), 510 states have internal predecessors, (709), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 819 transitions. [2025-02-06 14:01:20,674 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 819 transitions. Word has length 69 [2025-02-06 14:01:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:20,674 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 819 transitions. [2025-02-06 14:01:20,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 819 transitions. [2025-02-06 14:01:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 14:01:20,675 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:20,675 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:20,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-06 14:01:20,675 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:20,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1744984266, now seen corresponding path program 1 times [2025-02-06 14:01:20,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:20,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021936435] [2025-02-06 14:01:20,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:20,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:20,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:01:20,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:01:20,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:20,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:20,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109165130] [2025-02-06 14:01:20,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:20,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:20,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:20,694 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) [2025-02-06 14:01:20,696 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 [2025-02-06 14:01:20,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:01:20,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:01:20,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:20,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:20,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:01:20,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:01:20,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:20,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:20,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021936435] [2025-02-06 14:01:20,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:20,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109165130] [2025-02-06 14:01:20,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109165130] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:20,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:20,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:01:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338000218] [2025-02-06 14:01:20,862 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:20,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:01:20,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:20,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:01:20,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:20,863 INFO L87 Difference]: Start difference. First operand 568 states and 819 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 14:01:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:21,201 INFO L93 Difference]: Finished difference Result 611 states and 835 transitions. [2025-02-06 14:01:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:01:21,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2025-02-06 14:01:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:21,204 INFO L225 Difference]: With dead ends: 611 [2025-02-06 14:01:21,204 INFO L226 Difference]: Without dead ends: 610 [2025-02-06 14:01:21,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:01:21,205 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 360 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:21,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 331 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-02-06 14:01:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 568. [2025-02-06 14:01:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 463 states have (on average 1.5226781857451404) internal successors, (705), 510 states have internal predecessors, (705), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:01:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 815 transitions. [2025-02-06 14:01:21,257 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 815 transitions. Word has length 68 [2025-02-06 14:01:21,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:21,257 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 815 transitions. [2025-02-06 14:01:21,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 14:01:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 815 transitions. [2025-02-06 14:01:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 14:01:21,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:21,258 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:21,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-06 14:01:21,458 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,SelfDestructingSolverStorable38 [2025-02-06 14:01:21,459 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:21,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:21,459 INFO L85 PathProgramCache]: Analyzing trace with hash 263497284, now seen corresponding path program 1 times [2025-02-06 14:01:21,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:21,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899057505] [2025-02-06 14:01:21,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:21,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 14:01:21,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 14:01:21,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:21,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:21,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:21,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899057505] [2025-02-06 14:01:21,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899057505] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:21,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:21,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:01:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670077716] [2025-02-06 14:01:21,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:21,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:01:21,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:21,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:01:21,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:01:21,512 INFO L87 Difference]: Start difference. First operand 568 states and 815 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:21,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:21,625 INFO L93 Difference]: Finished difference Result 803 states and 1193 transitions. [2025-02-06 14:01:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:01:21,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2025-02-06 14:01:21,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:21,629 INFO L225 Difference]: With dead ends: 803 [2025-02-06 14:01:21,630 INFO L226 Difference]: Without dead ends: 802 [2025-02-06 14:01:21,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:01:21,631 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 22 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:21,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 223 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:01:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2025-02-06 14:01:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 747. [2025-02-06 14:01:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 613 states have (on average 1.5383360522022838) internal successors, (943), 660 states have internal predecessors, (943), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-06 14:01:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1111 transitions. [2025-02-06 14:01:21,710 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1111 transitions. Word has length 71 [2025-02-06 14:01:21,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:21,710 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1111 transitions. [2025-02-06 14:01:21,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:21,710 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1111 transitions. [2025-02-06 14:01:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 14:01:21,711 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:21,711 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:21,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-02-06 14:01:21,711 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:21,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:21,711 INFO L85 PathProgramCache]: Analyzing trace with hash -421518765, now seen corresponding path program 1 times [2025-02-06 14:01:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:21,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342586311] [2025-02-06 14:01:21,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:21,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:21,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 14:01:21,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:01:21,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:21,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:21,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:21,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342586311] [2025-02-06 14:01:21,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342586311] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:21,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:21,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:01:21,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363741846] [2025-02-06 14:01:21,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:21,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:01:21,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:21,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:01:21,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:01:21,776 INFO L87 Difference]: Start difference. First operand 747 states and 1111 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:22,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:22,079 INFO L93 Difference]: Finished difference Result 763 states and 1111 transitions. [2025-02-06 14:01:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:01:22,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2025-02-06 14:01:22,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:22,083 INFO L225 Difference]: With dead ends: 763 [2025-02-06 14:01:22,083 INFO L226 Difference]: Without dead ends: 762 [2025-02-06 14:01:22,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:01:22,085 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 206 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:22,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 354 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:22,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2025-02-06 14:01:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 747. [2025-02-06 14:01:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 613 states have (on average 1.536704730831974) internal successors, (942), 660 states have internal predecessors, (942), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-06 14:01:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1110 transitions. [2025-02-06 14:01:22,163 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1110 transitions. Word has length 72 [2025-02-06 14:01:22,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:22,163 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1110 transitions. [2025-02-06 14:01:22,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1110 transitions. [2025-02-06 14:01:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 14:01:22,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:22,164 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:22,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-06 14:01:22,164 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:22,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:22,165 INFO L85 PathProgramCache]: Analyzing trace with hash -182179806, now seen corresponding path program 1 times [2025-02-06 14:01:22,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:22,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053941675] [2025-02-06 14:01:22,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:22,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:22,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:01:22,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:01:22,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:22,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:22,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:22,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053941675] [2025-02-06 14:01:22,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053941675] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:22,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:22,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:01:22,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826668465] [2025-02-06 14:01:22,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:22,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:01:22,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:22,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:01:22,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:01:22,219 INFO L87 Difference]: Start difference. First operand 747 states and 1110 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:22,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:22,414 INFO L93 Difference]: Finished difference Result 832 states and 1199 transitions. [2025-02-06 14:01:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:01:22,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2025-02-06 14:01:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:22,418 INFO L225 Difference]: With dead ends: 832 [2025-02-06 14:01:22,418 INFO L226 Difference]: Without dead ends: 828 [2025-02-06 14:01:22,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:01:22,422 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 96 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 254 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 [2025-02-06 14:01:22,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 254 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:01:22,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-02-06 14:01:22,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 775. [2025-02-06 14:01:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 641 states have (on average 1.5195007800312013) internal successors, (974), 688 states have internal predecessors, (974), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-06 14:01:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1142 transitions. [2025-02-06 14:01:22,490 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1142 transitions. Word has length 73 [2025-02-06 14:01:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:22,490 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1142 transitions. [2025-02-06 14:01:22,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1142 transitions. [2025-02-06 14:01:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 14:01:22,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:22,491 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:22,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-02-06 14:01:22,491 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:22,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:22,492 INFO L85 PathProgramCache]: Analyzing trace with hash 254751847, now seen corresponding path program 1 times [2025-02-06 14:01:22,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:22,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570169337] [2025-02-06 14:01:22,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:22,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 14:01:22,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 14:01:22,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:22,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:22,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860438239] [2025-02-06 14:01:22,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:22,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:22,516 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) [2025-02-06 14:01:22,518 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 [2025-02-06 14:01:22,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 14:01:22,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 14:01:22,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:22,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:22,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:01:22,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:01:22,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:01:22,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570169337] [2025-02-06 14:01:22,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860438239] [2025-02-06 14:01:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860438239] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:22,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:01:22,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 14:01:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135324346] [2025-02-06 14:01:22,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:22,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:01:22,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:22,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:01:22,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:01:22,807 INFO L87 Difference]: Start difference. First operand 775 states and 1142 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-06 14:01:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:23,586 INFO L93 Difference]: Finished difference Result 921 states and 1239 transitions. [2025-02-06 14:01:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:01:23,587 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 74 [2025-02-06 14:01:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:23,590 INFO L225 Difference]: With dead ends: 921 [2025-02-06 14:01:23,590 INFO L226 Difference]: Without dead ends: 918 [2025-02-06 14:01:23,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:01:23,592 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 720 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:23,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 776 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:01:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2025-02-06 14:01:23,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 823. [2025-02-06 14:01:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 683 states have (on average 1.4963396778916545) internal successors, (1022), 730 states have internal predecessors, (1022), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-02-06 14:01:23,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1202 transitions. [2025-02-06 14:01:23,671 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1202 transitions. Word has length 74 [2025-02-06 14:01:23,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:23,672 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1202 transitions. [2025-02-06 14:01:23,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-06 14:01:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1202 transitions. [2025-02-06 14:01:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 14:01:23,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:23,673 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:23,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 14:01:23,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:23,877 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:23,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:23,877 INFO L85 PathProgramCache]: Analyzing trace with hash -692627293, now seen corresponding path program 1 times [2025-02-06 14:01:23,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:23,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427757186] [2025-02-06 14:01:23,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:23,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:23,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 14:01:23,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:01:23,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:23,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:23,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799300600] [2025-02-06 14:01:23,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:23,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:23,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:23,890 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) [2025-02-06 14:01:23,892 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 [2025-02-06 14:01:23,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 14:01:23,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:01:23,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:23,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:23,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:01:23,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:01:24,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:24,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427757186] [2025-02-06 14:01:24,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799300600] [2025-02-06 14:01:24,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799300600] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:24,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:24,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:01:24,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470338027] [2025-02-06 14:01:24,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:24,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:01:24,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:24,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:01:24,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:24,044 INFO L87 Difference]: Start difference. First operand 823 states and 1202 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:24,406 INFO L93 Difference]: Finished difference Result 866 states and 1238 transitions. [2025-02-06 14:01:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:01:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 75 [2025-02-06 14:01:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:24,410 INFO L225 Difference]: With dead ends: 866 [2025-02-06 14:01:24,410 INFO L226 Difference]: Without dead ends: 863 [2025-02-06 14:01:24,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:01:24,411 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 253 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:24,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 376 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:24,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2025-02-06 14:01:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 829. [2025-02-06 14:01:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 689 states have (on average 1.4804063860667633) internal successors, (1020), 736 states have internal predecessors, (1020), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-02-06 14:01:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1200 transitions. [2025-02-06 14:01:24,468 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1200 transitions. Word has length 75 [2025-02-06 14:01:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:24,468 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1200 transitions. [2025-02-06 14:01:24,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 14:01:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1200 transitions. [2025-02-06 14:01:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 14:01:24,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:24,469 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:24,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-06 14:01:24,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:24,670 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:24,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:24,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1354608275, now seen corresponding path program 1 times [2025-02-06 14:01:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:24,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210874906] [2025-02-06 14:01:24,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:24,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:01:24,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:01:24,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:24,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:24,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:24,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210874906] [2025-02-06 14:01:24,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210874906] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:24,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082998706] [2025-02-06 14:01:24,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:24,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:24,743 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) [2025-02-06 14:01:24,746 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 [2025-02-06 14:01:24,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:01:24,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:01:24,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:24,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:24,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:01:24,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:24,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:24,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082998706] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:24,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:01:24,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-06 14:01:24,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636401037] [2025-02-06 14:01:24,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:24,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:01:24,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:24,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:01:24,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:01:24,954 INFO L87 Difference]: Start difference. First operand 829 states and 1200 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 14:01:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:25,650 INFO L93 Difference]: Finished difference Result 930 states and 1237 transitions. [2025-02-06 14:01:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:01:25,650 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), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 81 [2025-02-06 14:01:25,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:25,653 INFO L225 Difference]: With dead ends: 930 [2025-02-06 14:01:25,653 INFO L226 Difference]: Without dead ends: 928 [2025-02-06 14:01:25,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:01:25,653 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 806 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:25,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 712 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:01:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2025-02-06 14:01:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 832. [2025-02-06 14:01:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 691 states have (on average 1.4616497829232995) internal successors, (1010), 737 states have internal predecessors, (1010), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1194 transitions. [2025-02-06 14:01:25,721 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1194 transitions. Word has length 81 [2025-02-06 14:01:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:25,721 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1194 transitions. [2025-02-06 14:01:25,722 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), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 14:01:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1194 transitions. [2025-02-06 14:01:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:01:25,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:25,722 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:25,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-06 14:01:25,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:25,923 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:25,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash -956816398, now seen corresponding path program 1 times [2025-02-06 14:01:25,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940877557] [2025-02-06 14:01:25,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:25,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:01:25,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:01:25,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:25,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:25,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:25,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940877557] [2025-02-06 14:01:25,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940877557] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:25,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:25,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:01:25,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166859539] [2025-02-06 14:01:25,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:25,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:01:25,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:25,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:01:25,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:25,994 INFO L87 Difference]: Start difference. First operand 832 states and 1194 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:26,440 INFO L93 Difference]: Finished difference Result 873 states and 1220 transitions. [2025-02-06 14:01:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:01:26,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 82 [2025-02-06 14:01:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:26,444 INFO L225 Difference]: With dead ends: 873 [2025-02-06 14:01:26,444 INFO L226 Difference]: Without dead ends: 871 [2025-02-06 14:01:26,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:01:26,445 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 295 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:26,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 387 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:26,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2025-02-06 14:01:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 844. [2025-02-06 14:01:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 703 states have (on average 1.4395448079658606) internal successors, (1012), 749 states have internal predecessors, (1012), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1196 transitions. [2025-02-06 14:01:26,521 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1196 transitions. Word has length 82 [2025-02-06 14:01:26,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:26,521 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1196 transitions. [2025-02-06 14:01:26,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1196 transitions. [2025-02-06 14:01:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:01:26,522 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:26,522 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:26,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-02-06 14:01:26,523 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:26,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:26,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1217334024, now seen corresponding path program 1 times [2025-02-06 14:01:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:26,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125364139] [2025-02-06 14:01:26,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:26,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:01:26,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:01:26,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:26,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:26,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368881174] [2025-02-06 14:01:26,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:26,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:26,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:26,544 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) [2025-02-06 14:01:26,546 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 [2025-02-06 14:01:26,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:01:26,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:01:26,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:26,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:26,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:01:26,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:26,760 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125364139] [2025-02-06 14:01:26,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368881174] [2025-02-06 14:01:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368881174] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:01:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967829388] [2025-02-06 14:01:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:26,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:01:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:26,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:01:26,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:01:26,761 INFO L87 Difference]: Start difference. First operand 844 states and 1196 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:27,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:27,023 INFO L93 Difference]: Finished difference Result 869 states and 1203 transitions. [2025-02-06 14:01:27,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:01:27,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2025-02-06 14:01:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:27,027 INFO L225 Difference]: With dead ends: 869 [2025-02-06 14:01:27,027 INFO L226 Difference]: Without dead ends: 866 [2025-02-06 14:01:27,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:27,028 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 96 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:27,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 332 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:27,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2025-02-06 14:01:27,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 844. [2025-02-06 14:01:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 703 states have (on average 1.433854907539118) internal successors, (1008), 749 states have internal predecessors, (1008), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1192 transitions. [2025-02-06 14:01:27,108 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1192 transitions. Word has length 82 [2025-02-06 14:01:27,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:27,108 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1192 transitions. [2025-02-06 14:01:27,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1192 transitions. [2025-02-06 14:01:27,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 14:01:27,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:27,109 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:27,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-02-06 14:01:27,309 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,SelfDestructingSolverStorable46 [2025-02-06 14:01:27,309 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:27,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:27,310 INFO L85 PathProgramCache]: Analyzing trace with hash -917350914, now seen corresponding path program 1 times [2025-02-06 14:01:27,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:27,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813955274] [2025-02-06 14:01:27,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:27,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 14:01:27,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 14:01:27,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:27,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:27,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543976005] [2025-02-06 14:01:27,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:27,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:27,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:27,327 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) [2025-02-06 14:01:27,330 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 [2025-02-06 14:01:27,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 14:01:27,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 14:01:27,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:27,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:27,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:01:27,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:27,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:27,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:27,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813955274] [2025-02-06 14:01:27,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:27,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543976005] [2025-02-06 14:01:27,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543976005] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:27,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:27,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:01:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622965550] [2025-02-06 14:01:27,601 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:27,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:01:27,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:27,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:01:27,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:27,601 INFO L87 Difference]: Start difference. First operand 844 states and 1192 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:27,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:27,821 INFO L93 Difference]: Finished difference Result 948 states and 1302 transitions. [2025-02-06 14:01:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:01:27,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2025-02-06 14:01:27,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:27,825 INFO L225 Difference]: With dead ends: 948 [2025-02-06 14:01:27,825 INFO L226 Difference]: Without dead ends: 947 [2025-02-06 14:01:27,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:27,826 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 192 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:27,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 379 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:27,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2025-02-06 14:01:27,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 853. [2025-02-06 14:01:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 712 states have (on average 1.4297752808988764) internal successors, (1018), 758 states have internal predecessors, (1018), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1202 transitions. [2025-02-06 14:01:27,885 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1202 transitions. Word has length 83 [2025-02-06 14:01:27,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:27,885 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1202 transitions. [2025-02-06 14:01:27,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1202 transitions. [2025-02-06 14:01:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 14:01:27,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:27,886 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:27,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-06 14:01:28,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-06 14:01:28,087 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:28,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1180665167, now seen corresponding path program 1 times [2025-02-06 14:01:28,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:28,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093086711] [2025-02-06 14:01:28,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:28,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:28,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:01:28,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:01:28,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:28,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:28,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:28,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093086711] [2025-02-06 14:01:28,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093086711] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:28,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218892320] [2025-02-06 14:01:28,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:28,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:28,157 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) [2025-02-06 14:01:28,160 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 [2025-02-06 14:01:28,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:01:28,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:01:28,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:28,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:28,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:01:28,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:28,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218892320] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:28,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:01:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2025-02-06 14:01:28,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440426926] [2025-02-06 14:01:28,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:01:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:28,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:01:28,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:01:28,447 INFO L87 Difference]: Start difference. First operand 853 states and 1202 transitions. Second operand has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-06 14:01:29,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:29,076 INFO L93 Difference]: Finished difference Result 874 states and 1211 transitions. [2025-02-06 14:01:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-06 14:01:29,077 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 85 [2025-02-06 14:01:29,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:29,080 INFO L225 Difference]: With dead ends: 874 [2025-02-06 14:01:29,080 INFO L226 Difference]: Without dead ends: 871 [2025-02-06 14:01:29,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 14:01:29,082 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 928 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:29,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 327 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:29,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2025-02-06 14:01:29,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 839. [2025-02-06 14:01:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 700 states have (on average 1.4114285714285715) internal successors, (988), 744 states have internal predecessors, (988), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1172 transitions. [2025-02-06 14:01:29,159 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1172 transitions. Word has length 85 [2025-02-06 14:01:29,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:29,160 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1172 transitions. [2025-02-06 14:01:29,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-06 14:01:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1172 transitions. [2025-02-06 14:01:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 14:01:29,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:29,161 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:29,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-06 14:01:29,361 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,SelfDestructingSolverStorable48 [2025-02-06 14:01:29,362 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:29,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1105932548, now seen corresponding path program 1 times [2025-02-06 14:01:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:29,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544725566] [2025-02-06 14:01:29,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:29,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:01:29,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:01:29,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:29,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:29,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841046905] [2025-02-06 14:01:29,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:29,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:29,382 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) [2025-02-06 14:01:29,384 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 [2025-02-06 14:01:29,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:01:29,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:01:29,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:29,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:29,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:01:29,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:29,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:01:29,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:29,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544725566] [2025-02-06 14:01:29,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:29,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841046905] [2025-02-06 14:01:29,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841046905] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:29,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:29,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:01:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109341552] [2025-02-06 14:01:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:29,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:01:29,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:29,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:01:29,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:01:29,658 INFO L87 Difference]: Start difference. First operand 839 states and 1172 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:29,918 INFO L93 Difference]: Finished difference Result 861 states and 1178 transitions. [2025-02-06 14:01:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:01:29,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2025-02-06 14:01:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:29,921 INFO L225 Difference]: With dead ends: 861 [2025-02-06 14:01:29,922 INFO L226 Difference]: Without dead ends: 860 [2025-02-06 14:01:29,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:29,922 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 73 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:29,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 343 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:01:29,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2025-02-06 14:01:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 839. [2025-02-06 14:01:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 700 states have (on average 1.41) internal successors, (987), 744 states have internal predecessors, (987), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1171 transitions. [2025-02-06 14:01:29,987 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1171 transitions. Word has length 85 [2025-02-06 14:01:29,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:29,988 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1171 transitions. [2025-02-06 14:01:29,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1171 transitions. [2025-02-06 14:01:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 14:01:29,988 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:29,988 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:29,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-02-06 14:01:30,189 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,SelfDestructingSolverStorable49 [2025-02-06 14:01:30,189 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:30,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:30,190 INFO L85 PathProgramCache]: Analyzing trace with hash -671196280, now seen corresponding path program 1 times [2025-02-06 14:01:30,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669819283] [2025-02-06 14:01:30,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:30,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:01:30,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:01:30,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:30,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106084198] [2025-02-06 14:01:30,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:30,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:30,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:30,205 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) [2025-02-06 14:01:30,207 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 [2025-02-06 14:01:30,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:01:30,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:01:30,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:30,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:30,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:01:30,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:30,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:30,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669819283] [2025-02-06 14:01:30,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106084198] [2025-02-06 14:01:30,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106084198] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:30,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:30,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:01:30,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972009782] [2025-02-06 14:01:30,485 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:30,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:30,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:30,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:30,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:01:30,486 INFO L87 Difference]: Start difference. First operand 839 states and 1171 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:30,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:30,814 INFO L93 Difference]: Finished difference Result 898 states and 1211 transitions. [2025-02-06 14:01:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:01:30,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2025-02-06 14:01:30,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:30,817 INFO L225 Difference]: With dead ends: 898 [2025-02-06 14:01:30,817 INFO L226 Difference]: Without dead ends: 895 [2025-02-06 14:01:30,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:01:30,818 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 133 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:30,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 545 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-02-06 14:01:30,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 841. [2025-02-06 14:01:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 702 states have (on average 1.398860398860399) internal successors, (982), 746 states have internal predecessors, (982), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1166 transitions. [2025-02-06 14:01:30,896 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1166 transitions. Word has length 91 [2025-02-06 14:01:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:30,897 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1166 transitions. [2025-02-06 14:01:30,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1166 transitions. [2025-02-06 14:01:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-06 14:01:30,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:30,898 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:30,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-06 14:01:31,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:31,099 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:31,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:31,100 INFO L85 PathProgramCache]: Analyzing trace with hash 667751814, now seen corresponding path program 1 times [2025-02-06 14:01:31,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:31,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479171642] [2025-02-06 14:01:31,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:31,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:31,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:01:31,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:01:31,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:31,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:31,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35586998] [2025-02-06 14:01:31,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:31,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:31,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:31,115 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) [2025-02-06 14:01:31,119 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 [2025-02-06 14:01:31,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:01:31,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:01:31,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:31,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:31,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:01:31,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:31,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:31,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:31,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479171642] [2025-02-06 14:01:31,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:31,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35586998] [2025-02-06 14:01:31,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35586998] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:31,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:31,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:01:31,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253067649] [2025-02-06 14:01:31,520 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:31,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:31,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:31,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:01:31,521 INFO L87 Difference]: Start difference. First operand 841 states and 1166 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:31,900 INFO L93 Difference]: Finished difference Result 1069 states and 1440 transitions. [2025-02-06 14:01:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:01:31,901 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2025-02-06 14:01:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:31,904 INFO L225 Difference]: With dead ends: 1069 [2025-02-06 14:01:31,904 INFO L226 Difference]: Without dead ends: 1068 [2025-02-06 14:01:31,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:01:31,905 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 279 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:31,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 574 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2025-02-06 14:01:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 851. [2025-02-06 14:01:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 712 states have (on average 1.396067415730337) internal successors, (994), 756 states have internal predecessors, (994), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1178 transitions. [2025-02-06 14:01:31,999 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1178 transitions. Word has length 92 [2025-02-06 14:01:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:31,999 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1178 transitions. [2025-02-06 14:01:31,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:01:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1178 transitions. [2025-02-06 14:01:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-06 14:01:32,000 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:32,000 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:32,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-06 14:01:32,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:32,201 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:32,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:32,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1214665603, now seen corresponding path program 1 times [2025-02-06 14:01:32,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:32,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330391147] [2025-02-06 14:01:32,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:32,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:32,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:01:32,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:01:32,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:32,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:32,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615153202] [2025-02-06 14:01:32,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:32,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:32,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:32,217 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) [2025-02-06 14:01:32,219 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 [2025-02-06 14:01:32,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:01:32,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:01:32,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:32,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:32,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 14:01:32,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 14:01:32,660 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:33,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330391147] [2025-02-06 14:01:33,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615153202] [2025-02-06 14:01:33,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615153202] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:33,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:01:33,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:01:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295673015] [2025-02-06 14:01:33,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:33,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:01:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:33,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:01:33,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:01:33,775 INFO L87 Difference]: Start difference. First operand 851 states and 1178 transitions. Second operand has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:34,580 INFO L93 Difference]: Finished difference Result 1093 states and 1485 transitions. [2025-02-06 14:01:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:01:34,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2025-02-06 14:01:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:34,583 INFO L225 Difference]: With dead ends: 1093 [2025-02-06 14:01:34,583 INFO L226 Difference]: Without dead ends: 1091 [2025-02-06 14:01:34,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:01:34,584 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 587 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:34,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 539 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:01:34,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2025-02-06 14:01:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 861. [2025-02-06 14:01:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 722 states have (on average 1.39196675900277) internal successors, (1005), 766 states have internal predecessors, (1005), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-06 14:01:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1189 transitions. [2025-02-06 14:01:34,649 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1189 transitions. Word has length 92 [2025-02-06 14:01:34,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1189 transitions. [2025-02-06 14:01:34,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:01:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1189 transitions. [2025-02-06 14:01:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 14:01:34,650 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:34,651 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:34,658 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 [2025-02-06 14:01:34,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:34,851 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:34,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash -774530234, now seen corresponding path program 1 times [2025-02-06 14:01:34,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:34,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650439244] [2025-02-06 14:01:34,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:34,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:34,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 14:01:34,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 14:01:34,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:34,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-06 14:01:34,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:34,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650439244] [2025-02-06 14:01:34,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650439244] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:34,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808778303] [2025-02-06 14:01:34,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:34,949 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) [2025-02-06 14:01:34,951 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 [2025-02-06 14:01:34,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 14:01:34,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 14:01:34,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:34,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:34,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:01:35,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-06 14:01:35,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:35,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808778303] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:01:35,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:01:35,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:01:35,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100875461] [2025-02-06 14:01:35,242 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:35,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:01:35,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:35,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:01:35,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:01:35,243 INFO L87 Difference]: Start difference. First operand 861 states and 1189 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 14:01:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:35,790 INFO L93 Difference]: Finished difference Result 1091 states and 1478 transitions. [2025-02-06 14:01:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:01:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2025-02-06 14:01:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:35,793 INFO L225 Difference]: With dead ends: 1091 [2025-02-06 14:01:35,793 INFO L226 Difference]: Without dead ends: 1090 [2025-02-06 14:01:35,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:01:35,794 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 264 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:35,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 716 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:01:35,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2025-02-06 14:01:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1003. [2025-02-06 14:01:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 848 states have (on average 1.4316037735849056) internal successors, (1214), 892 states have internal predecessors, (1214), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2025-02-06 14:01:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1430 transitions. [2025-02-06 14:01:35,881 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1430 transitions. Word has length 93 [2025-02-06 14:01:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:35,881 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1430 transitions. [2025-02-06 14:01:35,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 14:01:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1430 transitions. [2025-02-06 14:01:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-06 14:01:35,882 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:35,882 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:35,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-06 14:01:36,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-06 14:01:36,083 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-06 14:01:36,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:36,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1759366532, now seen corresponding path program 1 times [2025-02-06 14:01:36,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:36,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165562139] [2025-02-06 14:01:36,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:36,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:36,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 14:01:36,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 14:01:36,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:36,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:36,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562231613] [2025-02-06 14:01:36,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:36,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:36,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:36,096 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) [2025-02-06 14:01:36,098 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 [2025-02-06 14:01:36,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 14:01:36,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 14:01:36,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:36,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:36,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:01:36,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:01:36,468 INFO L312 TraceCheckSpWp]: Computing backward predicates...