./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.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_unwindbound5.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 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:59:33,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:59:33,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:59:33,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:59:33,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:59:33,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:59:33,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:59:33,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:59:33,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:59:33,907 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:59:33,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:59:33,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:59:33,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:59:33,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:59:33,907 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:59:33,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:59:33,908 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:59:33,909 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:59:33,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:59:33,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:59:33,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:59:33,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:59:33,910 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 -> 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 [2025-02-06 13:59:34,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:59:34,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:59:34,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:59:34,135 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:59:34,135 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:59:34,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c [2025-02-06 13:59:35,405 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccee328ad/00369e55a7fa422ab05abf6bcc005ed5/FLAG762cf0b38 [2025-02-06 13:59:35,656 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:59:35,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c [2025-02-06 13:59:35,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccee328ad/00369e55a7fa422ab05abf6bcc005ed5/FLAG762cf0b38 [2025-02-06 13:59:35,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ccee328ad/00369e55a7fa422ab05abf6bcc005ed5 [2025-02-06 13:59:35,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:59:35,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:59:35,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:59:35,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:59:35,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:59:35,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:59:35" (1/1) ... [2025-02-06 13:59:35,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b794ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:35, skipping insertion in model container [2025-02-06 13:59:35,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:59:35" (1/1) ... [2025-02-06 13:59:35,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:59:36,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:59:36,117 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:59:36,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:59:36,149 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:59:36,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36 WrapperNode [2025-02-06 13:59:36,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:59:36,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:59:36,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:59:36,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:59:36,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,175 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2025-02-06 13:59:36,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:59:36,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:59:36,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:59:36,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:59:36,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,199 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 13:59:36,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:59:36,208 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:59:36,208 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:59:36,208 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:59:36,213 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (1/1) ... [2025-02-06 13:59:36,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:59:36,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:36,241 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 13:59:36,250 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 13:59:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:59:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:59:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:59:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:59:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:59:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:59:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:59:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:59:36,308 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:59:36,310 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:59:36,681 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2025-02-06 13:59:36,681 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:59:36,692 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:59:36,693 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:59:36,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:59:36 BoogieIcfgContainer [2025-02-06 13:59:36,693 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:59:36,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:59:36,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:59:36,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:59:36,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:59:35" (1/3) ... [2025-02-06 13:59:36,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a1f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:59:36, skipping insertion in model container [2025-02-06 13:59:36,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:36" (2/3) ... [2025-02-06 13:59:36,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a1f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:59:36, skipping insertion in model container [2025-02-06 13:59:36,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:59:36" (3/3) ... [2025-02-06 13:59:36,702 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound5.c [2025-02-06 13:59:36,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:59:36,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound5.c that has 3 procedures, 146 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2025-02-06 13:59:36,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:59:36,762 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;@213b604c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:59:36,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-06 13:59:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 13:59:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:59:36,770 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:36,771 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:36,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:36,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:36,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1198495666, now seen corresponding path program 1 times [2025-02-06 13:59:36,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128845862] [2025-02-06 13:59:36,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:36,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:36,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:36,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:59:36,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:36,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128845862] [2025-02-06 13:59:36,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128845862] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:36,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994438806] [2025-02-06 13:59:36,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:36,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:36,860 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 13:59:36,861 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 13:59:36,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:36,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:36,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:36,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:59:36,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:59:36,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:36,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994438806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:36,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:36,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:59:36,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723933232] [2025-02-06 13:59:36,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:36,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:59:36,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:36,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:59:36,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:59:36,929 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:36,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:36,960 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2025-02-06 13:59:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:59:36,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-02-06 13:59:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:36,966 INFO L225 Difference]: With dead ends: 288 [2025-02-06 13:59:36,966 INFO L226 Difference]: Without dead ends: 139 [2025-02-06 13:59:36,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 13:59:36,970 INFO L435 NwaCegarLoop]: 155 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, 155 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 13:59:36,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-06 13:59:36,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-06 13:59:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2025-02-06 13:59:36,995 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2025-02-06 13:59:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:36,995 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2025-02-06 13:59:36,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2025-02-06 13:59:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:59:36,996 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:36,996 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:37,006 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 13:59:37,197 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 13:59:37,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,198 INFO L85 PathProgramCache]: Analyzing trace with hash -569826542, now seen corresponding path program 1 times [2025-02-06 13:59:37,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209268165] [2025-02-06 13:59:37,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:37,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:37,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:37,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:37,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209268165] [2025-02-06 13:59:37,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209268165] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:37,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:37,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525034862] [2025-02-06 13:59:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:37,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:37,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:37,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:37,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:37,283 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:37,346 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2025-02-06 13:59:37,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:37,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-06 13:59:37,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:37,347 INFO L225 Difference]: With dead ends: 179 [2025-02-06 13:59:37,348 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 13:59:37,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:37,348 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:37,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 13:59:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2025-02-06 13:59:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2025-02-06 13:59:37,364 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2025-02-06 13:59:37,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:37,365 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2025-02-06 13:59:37,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2025-02-06 13:59:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:59:37,366 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:37,366 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:37,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:59:37,367 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash -484753511, now seen corresponding path program 1 times [2025-02-06 13:59:37,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233356476] [2025-02-06 13:59:37,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:59:37,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:59:37,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:37,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:37,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233356476] [2025-02-06 13:59:37,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233356476] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:37,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:37,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:37,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492964092] [2025-02-06 13:59:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:37,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:37,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:37,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:37,517 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:37,580 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2025-02-06 13:59:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-06 13:59:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:37,582 INFO L225 Difference]: With dead ends: 172 [2025-02-06 13:59:37,582 INFO L226 Difference]: Without dead ends: 143 [2025-02-06 13:59:37,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:37,582 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:37,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-06 13:59:37,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-06 13:59:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2025-02-06 13:59:37,600 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2025-02-06 13:59:37,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:37,601 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2025-02-06 13:59:37,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2025-02-06 13:59:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:59:37,601 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:37,601 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:37,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:59:37,601 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1611692982, now seen corresponding path program 1 times [2025-02-06 13:59:37,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601696322] [2025-02-06 13:59:37,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:59:37,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:59:37,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:37,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:37,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601696322] [2025-02-06 13:59:37,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601696322] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:37,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:37,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:59:37,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183135692] [2025-02-06 13:59:37,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:37,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:37,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:37,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:37,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:37,724 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:37,891 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2025-02-06 13:59:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:59:37,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 13:59:37,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:37,892 INFO L225 Difference]: With dead ends: 241 [2025-02-06 13:59:37,892 INFO L226 Difference]: Without dead ends: 213 [2025-02-06 13:59:37,892 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 13:59:37,893 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:37,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-06 13:59:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2025-02-06 13:59:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2025-02-06 13:59:37,900 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2025-02-06 13:59:37,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:37,900 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2025-02-06 13:59:37,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2025-02-06 13:59:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 13:59:37,901 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:37,901 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:37,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:59:37,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1577130198, now seen corresponding path program 1 times [2025-02-06 13:59:37,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224217071] [2025-02-06 13:59:37,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:59:37,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:59:37,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:37,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:37,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224217071] [2025-02-06 13:59:37,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224217071] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:37,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:37,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:59:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956893653] [2025-02-06 13:59:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:37,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:37,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:37,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:37,953 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:38,040 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2025-02-06 13:59:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:59:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-06 13:59:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:38,041 INFO L225 Difference]: With dead ends: 208 [2025-02-06 13:59:38,041 INFO L226 Difference]: Without dead ends: 206 [2025-02-06 13:59:38,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:38,042 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:38,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:38,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-02-06 13:59:38,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2025-02-06 13:59:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2025-02-06 13:59:38,049 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2025-02-06 13:59:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:38,049 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2025-02-06 13:59:38,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2025-02-06 13:59:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 13:59:38,050 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:38,050 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:38,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:59:38,050 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:38,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:38,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1646395977, now seen corresponding path program 1 times [2025-02-06 13:59:38,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:38,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842965952] [2025-02-06 13:59:38,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:38,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:59:38,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:59:38,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:38,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:38,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842965952] [2025-02-06 13:59:38,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842965952] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:38,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:38,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:59:38,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557955633] [2025-02-06 13:59:38,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:38,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:38,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:38,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:38,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:38,102 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:38,147 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2025-02-06 13:59:38,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:38,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-02-06 13:59:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:38,149 INFO L225 Difference]: With dead ends: 316 [2025-02-06 13:59:38,149 INFO L226 Difference]: Without dead ends: 167 [2025-02-06 13:59:38,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:38,150 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:38,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 672 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:38,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-06 13:59:38,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-02-06 13:59:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2025-02-06 13:59:38,156 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2025-02-06 13:59:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2025-02-06 13:59:38,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2025-02-06 13:59:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 13:59:38,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:38,157 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:38,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:59:38,157 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:38,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1585360796, now seen corresponding path program 1 times [2025-02-06 13:59:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:38,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464127057] [2025-02-06 13:59:38,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:38,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:38,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:38,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:38,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040603038] [2025-02-06 13:59:38,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:38,170 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 13:59:38,171 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 13:59:38,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:38,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:38,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:38,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:59:38,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:38,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:38,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464127057] [2025-02-06 13:59:38,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040603038] [2025-02-06 13:59:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040603038] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:38,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:38,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:38,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382706113] [2025-02-06 13:59:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:38,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:38,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:38,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:38,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:38,219 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:38,335 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2025-02-06 13:59:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:38,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-02-06 13:59:38,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:38,339 INFO L225 Difference]: With dead ends: 252 [2025-02-06 13:59:38,339 INFO L226 Difference]: Without dead ends: 248 [2025-02-06 13:59:38,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 13:59:38,340 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 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 13:59:38,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-02-06 13:59:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2025-02-06 13:59:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2025-02-06 13:59:38,358 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2025-02-06 13:59:38,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:38,358 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2025-02-06 13:59:38,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2025-02-06 13:59:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 13:59:38,359 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:38,359 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:38,365 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 13:59:38,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:38,559 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:38,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1585356666, now seen corresponding path program 1 times [2025-02-06 13:59:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:38,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435206690] [2025-02-06 13:59:38,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:38,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:38,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:38,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:38,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:38,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435206690] [2025-02-06 13:59:38,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435206690] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:38,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:38,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 13:59:38,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381583106] [2025-02-06 13:59:38,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:38,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:38,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:38,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:38,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:59:38,714 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:38,889 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2025-02-06 13:59:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:59:38,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-02-06 13:59:38,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:38,890 INFO L225 Difference]: With dead ends: 220 [2025-02-06 13:59:38,890 INFO L226 Difference]: Without dead ends: 217 [2025-02-06 13:59:38,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:59:38,891 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 350 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:38,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 539 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:38,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-06 13:59:38,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 190. [2025-02-06 13:59:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.72) internal successors, (215), 177 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 235 transitions. [2025-02-06 13:59:38,910 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 235 transitions. Word has length 25 [2025-02-06 13:59:38,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:38,910 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 235 transitions. [2025-02-06 13:59:38,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 235 transitions. [2025-02-06 13:59:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:59:38,911 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:38,911 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:38,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:59:38,911 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:38,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:38,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1901416307, now seen corresponding path program 1 times [2025-02-06 13:59:38,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:38,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790634651] [2025-02-06 13:59:38,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:38,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:59:38,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:59:38,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:39,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:39,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790634651] [2025-02-06 13:59:39,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790634651] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:39,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:39,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 13:59:39,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970349210] [2025-02-06 13:59:39,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:39,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:39,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:39,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:39,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:59:39,036 INFO L87 Difference]: Start difference. First operand 190 states and 235 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:39,170 INFO L93 Difference]: Finished difference Result 386 states and 478 transitions. [2025-02-06 13:59:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:59:39,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-06 13:59:39,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:39,177 INFO L225 Difference]: With dead ends: 386 [2025-02-06 13:59:39,177 INFO L226 Difference]: Without dead ends: 214 [2025-02-06 13:59:39,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:39,177 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 38 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:39,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 778 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:39,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-06 13:59:39,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 195. [2025-02-06 13:59:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 130 states have (on average 1.7) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2025-02-06 13:59:39,187 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 26 [2025-02-06 13:59:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:39,187 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2025-02-06 13:59:39,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2025-02-06 13:59:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:59:39,193 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:39,193 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:39,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:59:39,193 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:39,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1181665570, now seen corresponding path program 1 times [2025-02-06 13:59:39,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:39,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155042369] [2025-02-06 13:59:39,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:39,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:59:39,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:59:39,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:39,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:39,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:39,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155042369] [2025-02-06 13:59:39,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155042369] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:39,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:39,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:39,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651843228] [2025-02-06 13:59:39,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:39,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:39,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:39,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:39,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:39,304 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:39,646 INFO L93 Difference]: Finished difference Result 222 states and 245 transitions. [2025-02-06 13:59:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:39,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-06 13:59:39,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:39,647 INFO L225 Difference]: With dead ends: 222 [2025-02-06 13:59:39,647 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:59:39,648 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 13:59:39,648 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 62 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:39,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 490 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:59:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:59:39,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2025-02-06 13:59:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.6946564885496183) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2025-02-06 13:59:39,656 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 27 [2025-02-06 13:59:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:39,657 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2025-02-06 13:59:39,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2025-02-06 13:59:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:59:39,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:39,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:39,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:59:39,658 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:39,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2023072984, now seen corresponding path program 1 times [2025-02-06 13:59:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:39,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032228078] [2025-02-06 13:59:39,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:39,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:39,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:39,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:39,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:39,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268047910] [2025-02-06 13:59:39,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:39,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:39,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:39,677 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 13:59:39,679 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 13:59:39,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:39,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:39,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:39,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:39,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:39,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:39,784 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:39,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:39,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032228078] [2025-02-06 13:59:39,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:39,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268047910] [2025-02-06 13:59:39,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268047910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:39,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:39,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:39,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697761688] [2025-02-06 13:59:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:39,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:39,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:39,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:39,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:39,785 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:39,891 INFO L93 Difference]: Finished difference Result 220 states and 244 transitions. [2025-02-06 13:59:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:39,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-06 13:59:39,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:39,892 INFO L225 Difference]: With dead ends: 220 [2025-02-06 13:59:39,892 INFO L226 Difference]: Without dead ends: 219 [2025-02-06 13:59:39,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 13:59:39,893 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 62 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:39,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 344 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:39,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-02-06 13:59:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2025-02-06 13:59:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6893939393939394) internal successors, (223), 184 states have internal predecessors, (223), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 243 transitions. [2025-02-06 13:59:39,898 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 243 transitions. Word has length 28 [2025-02-06 13:59:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:39,898 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 243 transitions. [2025-02-06 13:59:39,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 243 transitions. [2025-02-06 13:59:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:59:39,899 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:39,899 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:39,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:40,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:40,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:40,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:40,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1899967637, now seen corresponding path program 1 times [2025-02-06 13:59:40,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:40,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332946114] [2025-02-06 13:59:40,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:40,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:40,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:40,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:40,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685764540] [2025-02-06 13:59:40,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:40,118 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 13:59:40,120 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 13:59:40,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:40,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:40,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:40,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:59:40,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:40,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:40,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:40,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332946114] [2025-02-06 13:59:40,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685764540] [2025-02-06 13:59:40,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685764540] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:40,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:40,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:40,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103024276] [2025-02-06 13:59:40,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:40,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:40,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:40,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:40,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:40,169 INFO L87 Difference]: Start difference. First operand 197 states and 243 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:40,226 INFO L93 Difference]: Finished difference Result 223 states and 243 transitions. [2025-02-06 13:59:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:40,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-06 13:59:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:40,227 INFO L225 Difference]: With dead ends: 223 [2025-02-06 13:59:40,227 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:59:40,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 13:59:40,228 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 61 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 273 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 13:59:40,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 273 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:59:40,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2025-02-06 13:59:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 184 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 241 transitions. [2025-02-06 13:59:40,234 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 241 transitions. Word has length 28 [2025-02-06 13:59:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:40,234 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 241 transitions. [2025-02-06 13:59:40,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 241 transitions. [2025-02-06 13:59:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:59:40,234 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:40,234 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:40,242 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 13:59:40,439 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,SelfDestructingSolverStorable11 [2025-02-06 13:59:40,439 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:40,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1709246944, now seen corresponding path program 1 times [2025-02-06 13:59:40,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:40,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215451792] [2025-02-06 13:59:40,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:40,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:59:40,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:59:40,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798168816] [2025-02-06 13:59:40,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:40,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:40,456 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 13:59:40,458 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 13:59:40,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:59:40,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:59:40,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:40,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:59:40,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:40,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:40,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:40,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215451792] [2025-02-06 13:59:40,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:40,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798168816] [2025-02-06 13:59:40,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798168816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:40,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:40,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:40,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120131541] [2025-02-06 13:59:40,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:40,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:40,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:40,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:40,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:40,525 INFO L87 Difference]: Start difference. First operand 197 states and 241 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:40,627 INFO L93 Difference]: Finished difference Result 320 states and 411 transitions. [2025-02-06 13:59:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:40,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-02-06 13:59:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:40,629 INFO L225 Difference]: With dead ends: 320 [2025-02-06 13:59:40,629 INFO L226 Difference]: Without dead ends: 314 [2025-02-06 13:59:40,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 13:59:40,630 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 63 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 238 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 13:59:40,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 238 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:40,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-06 13:59:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 280. [2025-02-06 13:59:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 259 states have internal predecessors, (347), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 383 transitions. [2025-02-06 13:59:40,645 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 383 transitions. Word has length 29 [2025-02-06 13:59:40,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:40,646 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 383 transitions. [2025-02-06 13:59:40,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 383 transitions. [2025-02-06 13:59:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:59:40,647 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:40,647 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:40,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:40,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 13:59:40,848 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:40,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:40,848 INFO L85 PathProgramCache]: Analyzing trace with hash -507795895, now seen corresponding path program 1 times [2025-02-06 13:59:40,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:40,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090300531] [2025-02-06 13:59:40,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:40,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:59:40,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:59:40,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:40,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482520493] [2025-02-06 13:59:40,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:40,869 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 13:59:40,871 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 13:59:40,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:59:40,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:59:40,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:40,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:40,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:40,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:41,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:41,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:41,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090300531] [2025-02-06 13:59:41,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:41,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482520493] [2025-02-06 13:59:41,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482520493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:41,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005607340] [2025-02-06 13:59:41,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:41,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:41,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:41,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:41,015 INFO L87 Difference]: Start difference. First operand 280 states and 383 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:41,119 INFO L93 Difference]: Finished difference Result 301 states and 383 transitions. [2025-02-06 13:59:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:41,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-06 13:59:41,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:41,120 INFO L225 Difference]: With dead ends: 301 [2025-02-06 13:59:41,120 INFO L226 Difference]: Without dead ends: 300 [2025-02-06 13:59:41,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 13:59:41,121 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 195 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:41,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 223 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:41,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-06 13:59:41,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2025-02-06 13:59:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6666666666666667) internal successors, (345), 259 states have internal predecessors, (345), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2025-02-06 13:59:41,130 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 30 [2025-02-06 13:59:41,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:41,130 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2025-02-06 13:59:41,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2025-02-06 13:59:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:59:41,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:41,130 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:41,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:41,334 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,SelfDestructingSolverStorable13 [2025-02-06 13:59:41,334 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:41,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:41,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1908806302, now seen corresponding path program 1 times [2025-02-06 13:59:41,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:41,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066542204] [2025-02-06 13:59:41,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:41,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:41,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:59:41,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:59:41,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:41,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:41,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:41,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066542204] [2025-02-06 13:59:41,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066542204] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:41,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:41,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:41,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295506515] [2025-02-06 13:59:41,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:41,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:41,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:41,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:41,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:41,425 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:41,712 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2025-02-06 13:59:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:41,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-02-06 13:59:41,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:41,714 INFO L225 Difference]: With dead ends: 312 [2025-02-06 13:59:41,714 INFO L226 Difference]: Without dead ends: 311 [2025-02-06 13:59:41,714 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 13:59:41,714 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 63 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:41,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:59:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2025-02-06 13:59:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2025-02-06 13:59:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.6603773584905661) internal successors, (352), 264 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2025-02-06 13:59:41,728 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 31 [2025-02-06 13:59:41,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:41,728 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2025-02-06 13:59:41,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2025-02-06 13:59:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:59:41,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:41,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:41,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 13:59:41,728 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:41,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:41,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1438196512, now seen corresponding path program 1 times [2025-02-06 13:59:41,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:41,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046340433] [2025-02-06 13:59:41,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:41,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:59:41,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:59:41,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:41,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:41,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053702029] [2025-02-06 13:59:41,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:41,737 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 13:59:41,738 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 13:59:41,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:59:41,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:59:41,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:41,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:41,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:41,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:41,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:41,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:41,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046340433] [2025-02-06 13:59:41,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:41,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053702029] [2025-02-06 13:59:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053702029] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:41,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:41,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686144392] [2025-02-06 13:59:41,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:41,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:41,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:41,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:41,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:41,813 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:41,921 INFO L93 Difference]: Finished difference Result 306 states and 388 transitions. [2025-02-06 13:59:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:41,922 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-02-06 13:59:41,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:41,923 INFO L225 Difference]: With dead ends: 306 [2025-02-06 13:59:41,923 INFO L226 Difference]: Without dead ends: 305 [2025-02-06 13:59:41,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 13:59:41,924 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 157 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:41,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 236 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:41,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-02-06 13:59:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2025-02-06 13:59:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.650943396226415) internal successors, (350), 264 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 386 transitions. [2025-02-06 13:59:41,932 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 386 transitions. Word has length 31 [2025-02-06 13:59:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:41,933 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 386 transitions. [2025-02-06 13:59:41,933 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 386 transitions. [2025-02-06 13:59:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:59:41,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:41,934 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:41,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:42,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:42,135 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:42,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash -956546780, now seen corresponding path program 1 times [2025-02-06 13:59:42,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:42,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391624638] [2025-02-06 13:59:42,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:42,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:42,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:42,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:42,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:42,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503522720] [2025-02-06 13:59:42,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:42,146 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 13:59:42,148 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 13:59:42,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:42,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:42,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:42,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:42,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:42,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:42,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:42,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:42,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391624638] [2025-02-06 13:59:42,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:42,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503522720] [2025-02-06 13:59:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503522720] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:42,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496075787] [2025-02-06 13:59:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:42,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:42,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:42,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:42,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:42,243 INFO L87 Difference]: Start difference. First operand 285 states and 386 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:42,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:42,378 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2025-02-06 13:59:42,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:42,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-02-06 13:59:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:42,380 INFO L225 Difference]: With dead ends: 329 [2025-02-06 13:59:42,380 INFO L226 Difference]: Without dead ends: 328 [2025-02-06 13:59:42,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 13:59:42,380 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:42,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 419 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:42,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-02-06 13:59:42,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2025-02-06 13:59:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.644859813084112) internal successors, (352), 266 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2025-02-06 13:59:42,389 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 32 [2025-02-06 13:59:42,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:42,389 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2025-02-06 13:59:42,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2025-02-06 13:59:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:59:42,390 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:42,390 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:42,398 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 13:59:42,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 13:59:42,594 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:42,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:42,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1634418983, now seen corresponding path program 1 times [2025-02-06 13:59:42,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:42,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758801248] [2025-02-06 13:59:42,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:42,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:42,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:42,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:42,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:42,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547899758] [2025-02-06 13:59:42,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:42,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:42,614 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 13:59:42,615 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 13:59:42,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:42,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:42,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:42,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:42,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:42,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:42,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:42,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:42,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758801248] [2025-02-06 13:59:42,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:42,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547899758] [2025-02-06 13:59:42,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547899758] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:42,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:42,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:42,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417910069] [2025-02-06 13:59:42,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:42,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:42,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:42,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:42,692 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:42,804 INFO L93 Difference]: Finished difference Result 313 states and 391 transitions. [2025-02-06 13:59:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:42,805 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-02-06 13:59:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:42,807 INFO L225 Difference]: With dead ends: 313 [2025-02-06 13:59:42,807 INFO L226 Difference]: Without dead ends: 312 [2025-02-06 13:59:42,807 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 13:59:42,807 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 115 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:42,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 297 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:42,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-06 13:59:42,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2025-02-06 13:59:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6355140186915889) internal successors, (350), 266 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 386 transitions. [2025-02-06 13:59:42,822 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 386 transitions. Word has length 32 [2025-02-06 13:59:42,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:42,822 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 386 transitions. [2025-02-06 13:59:42,822 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2025-02-06 13:59:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:59:42,823 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:42,823 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:42,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 13:59:43,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 13:59:43,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:43,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:43,029 INFO L85 PathProgramCache]: Analyzing trace with hash -872619010, now seen corresponding path program 1 times [2025-02-06 13:59:43,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898418376] [2025-02-06 13:59:43,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:43,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:59:43,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:59:43,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:43,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:43,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523081635] [2025-02-06 13:59:43,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:43,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:43,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:43,045 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 13:59:43,048 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 13:59:43,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:59:43,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:59:43,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:43,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:43,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:43,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:43,136 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:43,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:43,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898418376] [2025-02-06 13:59:43,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:43,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523081635] [2025-02-06 13:59:43,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523081635] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:43,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:43,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:43,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951735534] [2025-02-06 13:59:43,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:43,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:43,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:43,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:43,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:43,138 INFO L87 Difference]: Start difference. First operand 287 states and 386 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:43,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:43,317 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2025-02-06 13:59:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:43,317 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2025-02-06 13:59:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:43,318 INFO L225 Difference]: With dead ends: 314 [2025-02-06 13:59:43,318 INFO L226 Difference]: Without dead ends: 313 [2025-02-06 13:59:43,319 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 13:59:43,319 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 67 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 379 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 13:59:43,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 379 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-02-06 13:59:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2025-02-06 13:59:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6261682242990654) internal successors, (348), 266 states have internal predecessors, (348), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 384 transitions. [2025-02-06 13:59:43,327 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 384 transitions. Word has length 33 [2025-02-06 13:59:43,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:43,327 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 384 transitions. [2025-02-06 13:59:43,327 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 384 transitions. [2025-02-06 13:59:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:59:43,327 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:43,327 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:43,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:59:43,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:43,528 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:43,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash 622996137, now seen corresponding path program 1 times [2025-02-06 13:59:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:43,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32169172] [2025-02-06 13:59:43,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:43,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:43,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:59:43,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:59:43,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:43,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:43,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:43,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32169172] [2025-02-06 13:59:43,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32169172] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:43,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317828146] [2025-02-06 13:59:43,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:43,602 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 13:59:43,607 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 13:59:43,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:59:43,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:59:43,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:43,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:43,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:59:43,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:43,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:43,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317828146] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:43,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:43,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2025-02-06 13:59:43,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803601092] [2025-02-06 13:59:43,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:43,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:59:43,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:43,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:59:43,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:43,707 INFO L87 Difference]: Start difference. First operand 287 states and 384 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:43,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:43,800 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2025-02-06 13:59:43,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:59:43,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2025-02-06 13:59:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:43,802 INFO L225 Difference]: With dead ends: 331 [2025-02-06 13:59:43,802 INFO L226 Difference]: Without dead ends: 329 [2025-02-06 13:59:43,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:59:43,803 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 95 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:43,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 770 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:43,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-02-06 13:59:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 292. [2025-02-06 13:59:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 271 states have internal predecessors, (354), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2025-02-06 13:59:43,816 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 35 [2025-02-06 13:59:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:43,816 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2025-02-06 13:59:43,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2025-02-06 13:59:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 13:59:43,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:43,817 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:43,827 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 13:59:44,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:44,018 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:44,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:44,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1698836799, now seen corresponding path program 1 times [2025-02-06 13:59:44,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:44,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008950462] [2025-02-06 13:59:44,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:44,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:44,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:59:44,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:59:44,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:44,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:44,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008950462] [2025-02-06 13:59:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008950462] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:44,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584545654] [2025-02-06 13:59:44,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:44,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:44,094 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 13:59:44,095 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 13:59:44,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:59:44,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:59:44,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:44,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:44,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:59:44,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:44,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:44,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584545654] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:44,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:59:44,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2025-02-06 13:59:44,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598544007] [2025-02-06 13:59:44,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:44,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:59:44,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:44,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:59:44,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:44,295 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:59:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:44,446 INFO L93 Difference]: Finished difference Result 528 states and 673 transitions. [2025-02-06 13:59:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 13:59:44,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2025-02-06 13:59:44,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:44,448 INFO L225 Difference]: With dead ends: 528 [2025-02-06 13:59:44,449 INFO L226 Difference]: Without dead ends: 351 [2025-02-06 13:59:44,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:59:44,450 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 59 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:44,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 944 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:44,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-06 13:59:44,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2025-02-06 13:59:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 242 states have (on average 1.5826446280991735) internal successors, (383), 294 states have internal predecessors, (383), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:59:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 419 transitions. [2025-02-06 13:59:44,469 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 419 transitions. Word has length 37 [2025-02-06 13:59:44,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:44,469 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 419 transitions. [2025-02-06 13:59:44,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:59:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2025-02-06 13:59:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-06 13:59:44,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:44,470 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:44,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 13:59:44,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:44,672 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:44,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:44,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1124335418, now seen corresponding path program 1 times [2025-02-06 13:59:44,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:44,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436542843] [2025-02-06 13:59:44,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:44,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:44,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 13:59:44,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 13:59:44,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:44,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:44,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:44,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436542843] [2025-02-06 13:59:44,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436542843] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:44,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876547197] [2025-02-06 13:59:44,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:44,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:44,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:44,765 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 13:59:44,767 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 13:59:44,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 13:59:44,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 13:59:44,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:44,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:44,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:44,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:44,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:44,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876547197] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:44,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:59:44,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-02-06 13:59:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817965550] [2025-02-06 13:59:44,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:44,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:59:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:44,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:59:44,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:44,924 INFO L87 Difference]: Start difference. First operand 315 states and 419 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:45,507 INFO L93 Difference]: Finished difference Result 849 states and 1065 transitions. [2025-02-06 13:59:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:59:45,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2025-02-06 13:59:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:45,511 INFO L225 Difference]: With dead ends: 849 [2025-02-06 13:59:45,511 INFO L226 Difference]: Without dead ends: 821 [2025-02-06 13:59:45,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:59:45,513 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 900 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:45,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 776 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:59:45,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2025-02-06 13:59:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 459. [2025-02-06 13:59:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6084656084656084) internal successors, (608), 430 states have internal predecessors, (608), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:59:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 660 transitions. [2025-02-06 13:59:45,533 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 660 transitions. Word has length 38 [2025-02-06 13:59:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:45,533 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 660 transitions. [2025-02-06 13:59:45,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 660 transitions. [2025-02-06 13:59:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:59:45,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:45,533 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:45,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 13:59:45,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:45,737 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:45,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1906931636, now seen corresponding path program 1 times [2025-02-06 13:59:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:45,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149541680] [2025-02-06 13:59:45,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:45,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:59:45,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:59:45,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:45,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:45,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632687888] [2025-02-06 13:59:45,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:45,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:45,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:45,749 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 13:59:45,750 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 13:59:45,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:59:45,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:59:45,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:45,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:45,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:45,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:45,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:45,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:45,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:45,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149541680] [2025-02-06 13:59:45,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:45,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632687888] [2025-02-06 13:59:45,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632687888] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:45,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:45,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:45,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019007172] [2025-02-06 13:59:45,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:45,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:45,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:45,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:45,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:45,856 INFO L87 Difference]: Start difference. First operand 459 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:45,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:45,970 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2025-02-06 13:59:45,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:45,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2025-02-06 13:59:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:45,972 INFO L225 Difference]: With dead ends: 479 [2025-02-06 13:59:45,972 INFO L226 Difference]: Without dead ends: 478 [2025-02-06 13:59:45,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 13:59:45,973 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 197 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 219 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 13:59:45,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 219 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-02-06 13:59:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 459. [2025-02-06 13:59:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6031746031746033) internal successors, (606), 430 states have internal predecessors, (606), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:59:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 658 transitions. [2025-02-06 13:59:45,996 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 658 transitions. Word has length 41 [2025-02-06 13:59:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:45,996 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 658 transitions. [2025-02-06 13:59:45,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 658 transitions. [2025-02-06 13:59:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 13:59:45,997 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:45,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:46,009 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 13:59:46,197 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,SelfDestructingSolverStorable22 [2025-02-06 13:59:46,197 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:46,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:46,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1014661488, now seen corresponding path program 1 times [2025-02-06 13:59:46,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:46,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648718279] [2025-02-06 13:59:46,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:46,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:46,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:59:46,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:59:46,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:46,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369566330] [2025-02-06 13:59:46,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:46,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:46,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:46,212 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 13:59:46,214 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 13:59:46,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:59:46,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:59:46,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:46,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:46,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:46,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:46,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:46,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:46,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648718279] [2025-02-06 13:59:46,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:46,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369566330] [2025-02-06 13:59:46,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369566330] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:46,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:46,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:46,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634122801] [2025-02-06 13:59:46,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:46,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:46,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:46,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:46,314 INFO L87 Difference]: Start difference. First operand 459 states and 658 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:46,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:46,452 INFO L93 Difference]: Finished difference Result 479 states and 660 transitions. [2025-02-06 13:59:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:46,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2025-02-06 13:59:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:46,454 INFO L225 Difference]: With dead ends: 479 [2025-02-06 13:59:46,454 INFO L226 Difference]: Without dead ends: 478 [2025-02-06 13:59:46,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 13:59:46,455 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 159 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:46,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-02-06 13:59:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 459. [2025-02-06 13:59:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.597883597883598) internal successors, (604), 430 states have internal predecessors, (604), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:59:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2025-02-06 13:59:46,474 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 42 [2025-02-06 13:59:46,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:46,474 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2025-02-06 13:59:46,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2025-02-06 13:59:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:59:46,475 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:46,475 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:46,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 13:59:46,675 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,SelfDestructingSolverStorable23 [2025-02-06 13:59:46,675 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:46,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1389735114, now seen corresponding path program 1 times [2025-02-06 13:59:46,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:46,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62664350] [2025-02-06 13:59:46,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:46,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:46,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:59:46,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:59:46,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:46,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:46,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582963369] [2025-02-06 13:59:46,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:46,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:46,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:46,696 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 13:59:46,697 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 13:59:46,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:59:46,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:59:46,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:46,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:46,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:46,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:46,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:46,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:46,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62664350] [2025-02-06 13:59:46,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:46,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582963369] [2025-02-06 13:59:46,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582963369] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:46,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:46,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:46,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734576461] [2025-02-06 13:59:46,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:46,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:46,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:46,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:46,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:46,791 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:46,956 INFO L93 Difference]: Finished difference Result 488 states and 667 transitions. [2025-02-06 13:59:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:46,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2025-02-06 13:59:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:46,958 INFO L225 Difference]: With dead ends: 488 [2025-02-06 13:59:46,958 INFO L226 Difference]: Without dead ends: 487 [2025-02-06 13:59:46,958 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 13:59:46,959 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:46,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 357 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-02-06 13:59:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2025-02-06 13:59:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5925925925925926) internal successors, (602), 430 states have internal predecessors, (602), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:59:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 654 transitions. [2025-02-06 13:59:46,985 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 654 transitions. Word has length 43 [2025-02-06 13:59:46,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:46,985 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 654 transitions. [2025-02-06 13:59:46,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 654 transitions. [2025-02-06 13:59:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:59:46,986 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:46,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:46,996 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 13:59:47,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:47,187 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:47,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:47,187 INFO L85 PathProgramCache]: Analyzing trace with hash 132115630, now seen corresponding path program 1 times [2025-02-06 13:59:47,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:47,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636234628] [2025-02-06 13:59:47,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:47,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:47,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:59:47,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:59:47,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:47,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:47,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716718112] [2025-02-06 13:59:47,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:47,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:47,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:47,212 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 13:59:47,213 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 13:59:47,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:59:47,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:59:47,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:47,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:47,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:59:47,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:47,344 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:47,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:47,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636234628] [2025-02-06 13:59:47,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:47,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716718112] [2025-02-06 13:59:47,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716718112] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:47,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:47,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839261178] [2025-02-06 13:59:47,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:47,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:47,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:47,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:47,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:47,345 INFO L87 Difference]: Start difference. First operand 459 states and 654 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:47,530 INFO L93 Difference]: Finished difference Result 489 states and 666 transitions. [2025-02-06 13:59:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:47,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2025-02-06 13:59:47,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:47,533 INFO L225 Difference]: With dead ends: 489 [2025-02-06 13:59:47,534 INFO L226 Difference]: Without dead ends: 488 [2025-02-06 13:59:47,534 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 13:59:47,534 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 293 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 13:59:47,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 293 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-02-06 13:59:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 459. [2025-02-06 13:59:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5873015873015872) internal successors, (600), 430 states have internal predecessors, (600), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:59:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 652 transitions. [2025-02-06 13:59:47,554 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 652 transitions. Word has length 44 [2025-02-06 13:59:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:47,554 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 652 transitions. [2025-02-06 13:59:47,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:59:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 652 transitions. [2025-02-06 13:59:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 13:59:47,555 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:47,555 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:47,565 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 13:59:47,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:47,759 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:47,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1080883299, now seen corresponding path program 1 times [2025-02-06 13:59:47,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:47,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717525966] [2025-02-06 13:59:47,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:47,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 13:59:47,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 13:59:47,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:47,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:47,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:47,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717525966] [2025-02-06 13:59:47,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717525966] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:47,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055889803] [2025-02-06 13:59:47,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:47,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:47,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:47,864 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 13:59:47,865 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 13:59:47,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 13:59:47,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 13:59:47,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:47,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:47,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:59:47,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:48,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:48,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055889803] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:48,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:59:48,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2025-02-06 13:59:48,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231028912] [2025-02-06 13:59:48,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:48,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-06 13:59:48,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:48,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-06 13:59:48,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2025-02-06 13:59:48,189 INFO L87 Difference]: Start difference. First operand 459 states and 652 transitions. Second operand has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:48,654 INFO L93 Difference]: Finished difference Result 1305 states and 1810 transitions. [2025-02-06 13:59:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-06 13:59:48,655 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-02-06 13:59:48,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:48,657 INFO L225 Difference]: With dead ends: 1305 [2025-02-06 13:59:48,657 INFO L226 Difference]: Without dead ends: 984 [2025-02-06 13:59:48,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2025-02-06 13:59:48,659 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 809 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:48,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 2318 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2025-02-06 13:59:48,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 779. [2025-02-06 13:59:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 668 states have (on average 1.598802395209581) internal successors, (1068), 720 states have internal predecessors, (1068), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 13:59:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1176 transitions. [2025-02-06 13:59:48,710 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1176 transitions. Word has length 45 [2025-02-06 13:59:48,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:48,710 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1176 transitions. [2025-02-06 13:59:48,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1176 transitions. [2025-02-06 13:59:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 13:59:48,711 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:48,711 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:48,718 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 13:59:48,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 13:59:48,912 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:48,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:48,912 INFO L85 PathProgramCache]: Analyzing trace with hash 848385042, now seen corresponding path program 1 times [2025-02-06 13:59:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568278438] [2025-02-06 13:59:48,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:48,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 13:59:48,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 13:59:48,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:48,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:48,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:48,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568278438] [2025-02-06 13:59:48,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568278438] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:48,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58944263] [2025-02-06 13:59:48,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:48,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:48,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:48,970 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 13:59:48,975 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 13:59:48,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 13:59:49,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 13:59:49,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:49,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:49,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:49,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:49,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:49,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58944263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:49,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:49,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-02-06 13:59:49,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779085541] [2025-02-06 13:59:49,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:49,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:49,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:49,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:49,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:49,038 INFO L87 Difference]: Start difference. First operand 779 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:49,239 INFO L93 Difference]: Finished difference Result 1668 states and 2497 transitions. [2025-02-06 13:59:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:59:49,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2025-02-06 13:59:49,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:49,244 INFO L225 Difference]: With dead ends: 1668 [2025-02-06 13:59:49,244 INFO L226 Difference]: Without dead ends: 1220 [2025-02-06 13:59:49,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 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 13:59:49,246 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 216 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:49,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 785 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2025-02-06 13:59:49,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 876. [2025-02-06 13:59:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 765 states have (on average 1.5869281045751633) internal successors, (1214), 817 states have internal predecessors, (1214), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 13:59:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1322 transitions. [2025-02-06 13:59:49,284 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1322 transitions. Word has length 46 [2025-02-06 13:59:49,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:49,284 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1322 transitions. [2025-02-06 13:59:49,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1322 transitions. [2025-02-06 13:59:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 13:59:49,285 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:49,285 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:49,292 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 13:59:49,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:49,486 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:49,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 653237883, now seen corresponding path program 1 times [2025-02-06 13:59:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715185659] [2025-02-06 13:59:49,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:49,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:59:49,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:59:49,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:49,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:49,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199100588] [2025-02-06 13:59:49,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:49,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:49,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:49,509 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 13:59:49,510 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 13:59:49,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:59:49,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:59:49,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:49,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:49,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:49,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:49,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:50,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:50,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715185659] [2025-02-06 13:59:50,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:50,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199100588] [2025-02-06 13:59:50,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199100588] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:50,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:59:50,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-06 13:59:50,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234572351] [2025-02-06 13:59:50,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:50,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:59:50,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:50,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:59:50,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:50,004 INFO L87 Difference]: Start difference. First operand 876 states and 1322 transitions. Second operand has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:50,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:50,567 INFO L93 Difference]: Finished difference Result 1648 states and 2474 transitions. [2025-02-06 13:59:50,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:59:50,568 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-06 13:59:50,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:50,572 INFO L225 Difference]: With dead ends: 1648 [2025-02-06 13:59:50,572 INFO L226 Difference]: Without dead ends: 1645 [2025-02-06 13:59:50,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:59:50,573 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 733 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:50,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1217 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:59:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2025-02-06 13:59:50,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1121. [2025-02-06 13:59:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1007 states have (on average 1.5938430983118173) internal successors, (1605), 1059 states have internal predecessors, (1605), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-06 13:59:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1719 transitions. [2025-02-06 13:59:50,614 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1719 transitions. Word has length 47 [2025-02-06 13:59:50,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:50,614 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1719 transitions. [2025-02-06 13:59:50,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1719 transitions. [2025-02-06 13:59:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 13:59:50,614 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:50,615 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:50,620 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 13:59:50,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 13:59:50,815 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:50,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1224462030, now seen corresponding path program 1 times [2025-02-06 13:59:50,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:50,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742758962] [2025-02-06 13:59:50,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:50,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:59:50,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:59:50,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:50,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:50,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336314905] [2025-02-06 13:59:50,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:50,830 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 13:59:50,832 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 13:59:50,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:59:50,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:59:50,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:50,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:50,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:50,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:51,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:51,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:51,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742758962] [2025-02-06 13:59:51,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:51,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336314905] [2025-02-06 13:59:51,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336314905] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:51,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:51,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:59:51,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472689870] [2025-02-06 13:59:51,568 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:51,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:51,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:51,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:51,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:51,569 INFO L87 Difference]: Start difference. First operand 1121 states and 1719 transitions. Second operand has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:51,769 INFO L93 Difference]: Finished difference Result 1558 states and 2383 transitions. [2025-02-06 13:59:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:51,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2025-02-06 13:59:51,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:51,779 INFO L225 Difference]: With dead ends: 1558 [2025-02-06 13:59:51,779 INFO L226 Difference]: Without dead ends: 1556 [2025-02-06 13:59:51,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:51,780 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 690 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:51,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 487 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2025-02-06 13:59:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1426. [2025-02-06 13:59:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6133540372670807) internal successors, (2078), 1340 states have internal predecessors, (2078), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2240 transitions. [2025-02-06 13:59:51,829 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2240 transitions. Word has length 48 [2025-02-06 13:59:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:51,829 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2240 transitions. [2025-02-06 13:59:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2240 transitions. [2025-02-06 13:59:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 13:59:51,829 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:51,829 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:51,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 13:59:52,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:52,034 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:52,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash 696382809, now seen corresponding path program 1 times [2025-02-06 13:59:52,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:52,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365991977] [2025-02-06 13:59:52,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:52,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 13:59:52,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 13:59:52,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:52,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:52,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552831591] [2025-02-06 13:59:52,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:52,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:52,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:52,045 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 13:59:52,047 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 13:59:52,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 13:59:52,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 13:59:52,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:52,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:52,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:52,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:52,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:52,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365991977] [2025-02-06 13:59:52,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552831591] [2025-02-06 13:59:52,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552831591] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:52,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:52,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:59:52,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486129075] [2025-02-06 13:59:52,554 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:52,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:52,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:52,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:52,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:59:52,555 INFO L87 Difference]: Start difference. First operand 1426 states and 2240 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:52,912 INFO L93 Difference]: Finished difference Result 1492 states and 2265 transitions. [2025-02-06 13:59:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:52,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2025-02-06 13:59:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:52,917 INFO L225 Difference]: With dead ends: 1492 [2025-02-06 13:59:52,917 INFO L226 Difference]: Without dead ends: 1490 [2025-02-06 13:59:52,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:52,918 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 394 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:52,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 500 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:59:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2025-02-06 13:59:52,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2025-02-06 13:59:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6055900621118013) internal successors, (2068), 1340 states have internal predecessors, (2068), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2230 transitions. [2025-02-06 13:59:52,993 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2230 transitions. Word has length 49 [2025-02-06 13:59:52,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:52,993 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2230 transitions. [2025-02-06 13:59:52,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2230 transitions. [2025-02-06 13:59:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 13:59:52,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:52,994 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:53,003 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 13:59:53,194 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,SelfDestructingSolverStorable30 [2025-02-06 13:59:53,195 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:53,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:53,196 INFO L85 PathProgramCache]: Analyzing trace with hash 113030672, now seen corresponding path program 1 times [2025-02-06 13:59:53,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:53,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740816027] [2025-02-06 13:59:53,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:53,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:59:53,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:59:53,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:53,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:53,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701802034] [2025-02-06 13:59:53,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:53,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:53,212 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 13:59:53,213 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 13:59:53,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:59:53,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:59:53,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:53,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:53,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:53,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:53,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:53,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:53,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740816027] [2025-02-06 13:59:53,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701802034] [2025-02-06 13:59:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701802034] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:53,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:53,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:59:53,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527719961] [2025-02-06 13:59:53,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:53,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:53,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:53,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:53,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:59:53,844 INFO L87 Difference]: Start difference. First operand 1426 states and 2230 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:54,085 INFO L93 Difference]: Finished difference Result 1492 states and 2255 transitions. [2025-02-06 13:59:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:59:54,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2025-02-06 13:59:54,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:54,096 INFO L225 Difference]: With dead ends: 1492 [2025-02-06 13:59:54,096 INFO L226 Difference]: Without dead ends: 1490 [2025-02-06 13:59:54,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:54,097 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 363 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:54,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 691 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:54,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2025-02-06 13:59:54,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2025-02-06 13:59:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5978260869565217) internal successors, (2058), 1340 states have internal predecessors, (2058), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2220 transitions. [2025-02-06 13:59:54,151 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2220 transitions. Word has length 50 [2025-02-06 13:59:54,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:54,153 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2220 transitions. [2025-02-06 13:59:54,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2220 transitions. [2025-02-06 13:59:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:59:54,153 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:54,153 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:54,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:54,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:54,354 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:54,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2046454803, now seen corresponding path program 1 times [2025-02-06 13:59:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:54,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332378174] [2025-02-06 13:59:54,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:54,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:59:54,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:59:54,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:54,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:59:54,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:54,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332378174] [2025-02-06 13:59:54,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332378174] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:54,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682272385] [2025-02-06 13:59:54,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:54,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:54,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:54,458 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 13:59:54,459 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 13:59:54,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:59:54,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:59:54,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:54,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:54,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:59:54,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:59:54,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:54,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682272385] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:54,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:54,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2025-02-06 13:59:54,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516638759] [2025-02-06 13:59:54,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:54,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:54,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:54,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:54,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:54,723 INFO L87 Difference]: Start difference. First operand 1426 states and 2220 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:54,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:54,945 INFO L93 Difference]: Finished difference Result 1456 states and 2236 transitions. [2025-02-06 13:59:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:59:54,945 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2025-02-06 13:59:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:54,949 INFO L225 Difference]: With dead ends: 1456 [2025-02-06 13:59:54,949 INFO L226 Difference]: Without dead ends: 1455 [2025-02-06 13:59:54,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:59:54,949 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 314 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:54,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 239 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2025-02-06 13:59:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1426. [2025-02-06 13:59:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.595496894409938) internal successors, (2055), 1340 states have internal predecessors, (2055), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2217 transitions. [2025-02-06 13:59:55,000 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2217 transitions. Word has length 52 [2025-02-06 13:59:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:55,000 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2217 transitions. [2025-02-06 13:59:55,000 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2217 transitions. [2025-02-06 13:59:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 13:59:55,000 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:55,001 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:55,010 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 13:59:55,204 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,SelfDestructingSolverStorable32 [2025-02-06 13:59:55,204 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:55,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:55,205 INFO L85 PathProgramCache]: Analyzing trace with hash -791016393, now seen corresponding path program 1 times [2025-02-06 13:59:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:55,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367716346] [2025-02-06 13:59:55,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:55,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:55,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:59:55,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:59:55,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:55,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:55,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20942770] [2025-02-06 13:59:55,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:55,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:55,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:55,213 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 13:59:55,214 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 13:59:55,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:59:55,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:59:55,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:55,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:55,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:59:55,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:55,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:55,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:55,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367716346] [2025-02-06 13:59:55,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:55,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20942770] [2025-02-06 13:59:55,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20942770] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:55,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:59:55,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-06 13:59:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710582625] [2025-02-06 13:59:55,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:59:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:55,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:59:55,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:59:55,617 INFO L87 Difference]: Start difference. First operand 1426 states and 2217 transitions. Second operand has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:59:56,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:56,463 INFO L93 Difference]: Finished difference Result 1499 states and 2242 transitions. [2025-02-06 13:59:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:59:56,464 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-02-06 13:59:56,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:56,467 INFO L225 Difference]: With dead ends: 1499 [2025-02-06 13:59:56,468 INFO L226 Difference]: Without dead ends: 1498 [2025-02-06 13:59:56,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:59:56,468 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 543 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:56,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1115 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:59:56,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2025-02-06 13:59:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1426. [2025-02-06 13:59:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5885093167701863) internal successors, (2046), 1340 states have internal predecessors, (2046), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2208 transitions. [2025-02-06 13:59:56,551 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2208 transitions. Word has length 51 [2025-02-06 13:59:56,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:56,552 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2208 transitions. [2025-02-06 13:59:56,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:59:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2208 transitions. [2025-02-06 13:59:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 13:59:56,552 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:56,552 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:56,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:56,752 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,SelfDestructingSolverStorable33 [2025-02-06 13:59:56,753 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:56,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -984410500, now seen corresponding path program 1 times [2025-02-06 13:59:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252977212] [2025-02-06 13:59:56,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:56,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:59:56,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:59:56,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:56,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:56,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624983357] [2025-02-06 13:59:56,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:56,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:56,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:56,764 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 13:59:56,765 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 13:59:56,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:59:56,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:59:56,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:56,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:56,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:59:56,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:59:56,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:56,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:56,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252977212] [2025-02-06 13:59:56,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:56,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624983357] [2025-02-06 13:59:56,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624983357] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:56,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:56,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:56,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020882083] [2025-02-06 13:59:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:56,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:56,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:56,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:56,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:56,864 INFO L87 Difference]: Start difference. First operand 1426 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:57,093 INFO L93 Difference]: Finished difference Result 1458 states and 2216 transitions. [2025-02-06 13:59:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:57,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2025-02-06 13:59:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:57,097 INFO L225 Difference]: With dead ends: 1458 [2025-02-06 13:59:57,097 INFO L226 Difference]: Without dead ends: 1457 [2025-02-06 13:59:57,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 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 13:59:57,098 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 311 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:57,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 319 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2025-02-06 13:59:57,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2025-02-06 13:59:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5861801242236024) internal successors, (2043), 1340 states have internal predecessors, (2043), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2205 transitions. [2025-02-06 13:59:57,148 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2205 transitions. Word has length 53 [2025-02-06 13:59:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:57,148 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2205 transitions. [2025-02-06 13:59:57,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2205 transitions. [2025-02-06 13:59:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:59:57,148 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:57,148 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:57,157 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 13:59:57,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:57,349 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:57,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:57,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1248295662, now seen corresponding path program 1 times [2025-02-06 13:59:57,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:57,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827993262] [2025-02-06 13:59:57,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:57,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:59:57,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:59:57,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:57,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:57,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974412345] [2025-02-06 13:59:57,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:57,358 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 13:59:57,359 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 13:59:57,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:59:57,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:59:57,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:57,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:57,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:59:57,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:57,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827993262] [2025-02-06 13:59:57,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974412345] [2025-02-06 13:59:57,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974412345] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:57,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:59:57,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:59:57,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529210472] [2025-02-06 13:59:57,709 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:57,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:59:57,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:57,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:59:57,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:59:57,710 INFO L87 Difference]: Start difference. First operand 1426 states and 2205 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:58,480 INFO L93 Difference]: Finished difference Result 1501 states and 2232 transitions. [2025-02-06 13:59:58,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:58,480 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2025-02-06 13:59:58,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:58,484 INFO L225 Difference]: With dead ends: 1501 [2025-02-06 13:59:58,484 INFO L226 Difference]: Without dead ends: 1499 [2025-02-06 13:59:58,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:58,485 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 490 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:58,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 656 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:59:58,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2025-02-06 13:59:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1427. [2025-02-06 13:59:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1289 states have (on average 1.5748642358417377) internal successors, (2030), 1341 states have internal predecessors, (2030), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:59:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2192 transitions. [2025-02-06 13:59:58,533 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2192 transitions. Word has length 52 [2025-02-06 13:59:58,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:58,533 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 2192 transitions. [2025-02-06 13:59:58,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2192 transitions. [2025-02-06 13:59:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 13:59:58,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:58,533 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 13:59:58,539 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 13:59:58,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 13:59:58,734 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:58,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:58,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1914915650, now seen corresponding path program 1 times [2025-02-06 13:59:58,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:58,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440767950] [2025-02-06 13:59:58,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:58,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:58,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 13:59:58,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:59:58,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:58,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:58,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53737274] [2025-02-06 13:59:58,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:58,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:58,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:58,743 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 13:59:58,744 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 13:59:58,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 13:59:58,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:59:58,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:58,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:58,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:58,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 13:59:58,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:58,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440767950] [2025-02-06 13:59:58,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53737274] [2025-02-06 13:59:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53737274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:58,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524680973] [2025-02-06 13:59:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:58,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:58,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:58,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:58,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:58,846 INFO L87 Difference]: Start difference. First operand 1427 states and 2192 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 13:59:59,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:59,061 INFO L93 Difference]: Finished difference Result 1489 states and 2259 transitions. [2025-02-06 13:59:59,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:59,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 13:59:59,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:59,066 INFO L225 Difference]: With dead ends: 1489 [2025-02-06 13:59:59,066 INFO L226 Difference]: Without dead ends: 1486 [2025-02-06 13:59:59,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 13:59:59,066 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 262 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:59,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 239 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2025-02-06 13:59:59,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2025-02-06 13:59:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5648218347232752) internal successors, (2064), 1371 states have internal predecessors, (2064), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 13:59:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2234 transitions. [2025-02-06 13:59:59,131 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2234 transitions. Word has length 59 [2025-02-06 13:59:59,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:59,131 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2234 transitions. [2025-02-06 13:59:59,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 13:59:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2234 transitions. [2025-02-06 13:59:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 13:59:59,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:59,132 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:59,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:59,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 13:59:59,336 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:59,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2020597438, now seen corresponding path program 1 times [2025-02-06 13:59:59,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:59,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92477863] [2025-02-06 13:59:59,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:59,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 13:59:59,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:59:59,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:59,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:59,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779291691] [2025-02-06 13:59:59,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:59,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:59,345 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 13:59:59,347 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 13:59:59,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 13:59:59,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:59:59,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:59,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:59,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:59:59,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:59,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:03,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92477863] [2025-02-06 14:00:03,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:03,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779291691] [2025-02-06 14:00:03,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779291691] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:03,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:03,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:03,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102604095] [2025-02-06 14:00:03,767 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:03,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:03,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:03,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:00:03,768 INFO L87 Difference]: Start difference. First operand 1461 states and 2234 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:00:04,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:04,180 INFO L93 Difference]: Finished difference Result 1583 states and 2367 transitions. [2025-02-06 14:00:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:00:04,184 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2025-02-06 14:00:04,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:04,192 INFO L225 Difference]: With dead ends: 1583 [2025-02-06 14:00:04,192 INFO L226 Difference]: Without dead ends: 1581 [2025-02-06 14:00:04,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:00:04,193 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 308 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:04,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 838 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:00:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2025-02-06 14:00:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2025-02-06 14:00:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.55724033358605) internal successors, (2054), 1371 states have internal predecessors, (2054), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:00:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2224 transitions. [2025-02-06 14:00:04,274 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2224 transitions. Word has length 58 [2025-02-06 14:00:04,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:04,274 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2224 transitions. [2025-02-06 14:00:04,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:00:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2224 transitions. [2025-02-06 14:00:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 14:00:04,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:04,275 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 14:00:04,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:04,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:00:04,478 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:04,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:04,478 INFO L85 PathProgramCache]: Analyzing trace with hash 767157036, now seen corresponding path program 1 times [2025-02-06 14:00:04,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:04,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871556259] [2025-02-06 14:00:04,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:04,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:04,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:00:04,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:00:04,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:04,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:04,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675637260] [2025-02-06 14:00:04,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:04,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:04,491 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 14:00:04,492 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 14:00:04,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:00:04,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:00:04,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:04,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:04,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:00:04,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:00:04,588 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:04,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:04,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871556259] [2025-02-06 14:00:04,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:04,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675637260] [2025-02-06 14:00:04,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675637260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:04,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:04,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:00:04,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914303274] [2025-02-06 14:00:04,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:04,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:04,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:04,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:04,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:04,589 INFO L87 Difference]: Start difference. First operand 1461 states and 2224 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 14:00:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:04,752 INFO L93 Difference]: Finished difference Result 1487 states and 2240 transitions. [2025-02-06 14:00:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:04,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 60 [2025-02-06 14:00:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:04,756 INFO L225 Difference]: With dead ends: 1487 [2025-02-06 14:00:04,756 INFO L226 Difference]: Without dead ends: 1486 [2025-02-06 14:00:04,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 14:00:04,757 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 259 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:04,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 240 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2025-02-06 14:00:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2025-02-06 14:00:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5549658832448825) internal successors, (2051), 1371 states have internal predecessors, (2051), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:00:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2221 transitions. [2025-02-06 14:00:04,805 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2221 transitions. Word has length 60 [2025-02-06 14:00:04,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:04,805 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2221 transitions. [2025-02-06 14:00:04,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 14:00:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2221 transitions. [2025-02-06 14:00:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 14:00:04,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:04,806 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:04,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:05,010 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,SelfDestructingSolverStorable38 [2025-02-06 14:00:05,010 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:05,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1785988798, now seen corresponding path program 1 times [2025-02-06 14:00:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609229061] [2025-02-06 14:00:05,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:05,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:00:05,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:00:05,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:05,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:05,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121214911] [2025-02-06 14:00:05,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:05,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:05,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:05,023 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 14:00:05,025 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 14:00:05,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:00:05,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:00:05,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:05,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:05,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:00:05,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:05,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:14,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609229061] [2025-02-06 14:00:14,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121214911] [2025-02-06 14:00:14,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121214911] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:14,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:14,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:00:14,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379336157] [2025-02-06 14:00:14,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:14,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:00:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:14,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:00:14,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=113, Unknown=2, NotChecked=0, Total=156 [2025-02-06 14:00:14,254 INFO L87 Difference]: Start difference. First operand 1461 states and 2221 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:00:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:14,504 INFO L93 Difference]: Finished difference Result 1583 states and 2354 transitions. [2025-02-06 14:00:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:00:14,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2025-02-06 14:00:14,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:14,510 INFO L225 Difference]: With dead ends: 1583 [2025-02-06 14:00:14,510 INFO L226 Difference]: Without dead ends: 1581 [2025-02-06 14:00:14,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=52, Invalid=128, Unknown=2, NotChecked=0, Total=182 [2025-02-06 14:00:14,511 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 459 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:14,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 556 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2025-02-06 14:00:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2025-02-06 14:00:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5473843821076574) internal successors, (2041), 1371 states have internal predecessors, (2041), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:00:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2211 transitions. [2025-02-06 14:00:14,563 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2211 transitions. Word has length 59 [2025-02-06 14:00:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:14,564 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2211 transitions. [2025-02-06 14:00:14,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:00:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2211 transitions. [2025-02-06 14:00:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 14:00:14,564 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:14,564 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:14,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:14,765 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,SelfDestructingSolverStorable39 [2025-02-06 14:00:14,765 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:14,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:14,766 INFO L85 PathProgramCache]: Analyzing trace with hash 468922172, now seen corresponding path program 1 times [2025-02-06 14:00:14,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:14,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422987934] [2025-02-06 14:00:14,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:14,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:00:14,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:00:14,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:14,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:14,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722294457] [2025-02-06 14:00:14,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:14,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:14,783 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 14:00:14,785 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 14:00:14,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:00:14,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:00:14,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:14,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:14,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:00:14,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:15,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:19,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:19,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422987934] [2025-02-06 14:00:19,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:19,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722294457] [2025-02-06 14:00:19,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722294457] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:19,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:19,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-06 14:00:19,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030277656] [2025-02-06 14:00:19,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:19,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:00:19,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:19,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:00:19,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=184, Unknown=1, NotChecked=0, Total=240 [2025-02-06 14:00:19,352 INFO L87 Difference]: Start difference. First operand 1461 states and 2211 transitions. Second operand has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-06 14:00:20,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:20,738 INFO L93 Difference]: Finished difference Result 3564 states and 5372 transitions. [2025-02-06 14:00:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:00:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2025-02-06 14:00:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:20,744 INFO L225 Difference]: With dead ends: 3564 [2025-02-06 14:00:20,744 INFO L226 Difference]: Without dead ends: 3559 [2025-02-06 14:00:20,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=203, Invalid=552, Unknown=1, NotChecked=0, Total=756 [2025-02-06 14:00:20,745 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1472 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:20,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 1251 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 14:00:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2025-02-06 14:00:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 1744. [2025-02-06 14:00:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1600 states have (on average 1.53) internal successors, (2448), 1652 states have internal predecessors, (2448), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-06 14:00:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2622 transitions. [2025-02-06 14:00:20,858 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2622 transitions. Word has length 60 [2025-02-06 14:00:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:20,858 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2622 transitions. [2025-02-06 14:00:20,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-06 14:00:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2622 transitions. [2025-02-06 14:00:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-06 14:00:20,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:20,859 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:20,874 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 14:00:21,063 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,SelfDestructingSolverStorable40 [2025-02-06 14:00:21,064 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:21,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1651685504, now seen corresponding path program 1 times [2025-02-06 14:00:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:21,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483750957] [2025-02-06 14:00:21,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:21,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:00:21,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:00:21,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:21,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965821495] [2025-02-06 14:00:21,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:21,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:21,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:21,079 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 14:00:21,081 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 14:00:21,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:00:21,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:00:21,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:21,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:21,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:00:21,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:21,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:23,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:23,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483750957] [2025-02-06 14:00:23,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:23,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965821495] [2025-02-06 14:00:23,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965821495] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:23,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:23,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-06 14:00:23,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400303090] [2025-02-06 14:00:23,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:23,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:00:23,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:23,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:00:23,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:00:23,257 INFO L87 Difference]: Start difference. First operand 1744 states and 2622 transitions. Second operand has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-06 14:00:26,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:30,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:34,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:38,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:42,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:46,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:50,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:54,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:58,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:02,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:06,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:10,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:14,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1]