./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.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 d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:46:39,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:46:39,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:46:39,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:46:39,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:46:39,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:46:39,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:46:39,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:46:39,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:46:39,953 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:46:39,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:46:39,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:46:39,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:46:39,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:46:39,954 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:46:39,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:46:39,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:39,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:46:39,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:46:39,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:46:39,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:46:39,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:46:39,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:46:39,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:46:39,959 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 -> d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e [2025-02-08 09:46:40,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:46:40,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:46:40,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:46:40,226 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:46:40,226 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:46:40,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2025-02-08 09:46:41,457 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/244c9ef78/89e93f9c29624f708e8f8ef23a41e10b/FLAGe9a28c0f9 [2025-02-08 09:46:41,694 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:46:41,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2025-02-08 09:46:41,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/244c9ef78/89e93f9c29624f708e8f8ef23a41e10b/FLAGe9a28c0f9 [2025-02-08 09:46:42,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/244c9ef78/89e93f9c29624f708e8f8ef23a41e10b [2025-02-08 09:46:42,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:46:42,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:46:42,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:42,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:46:42,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:46:42,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f98f6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42, skipping insertion in model container [2025-02-08 09:46:42,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:46:42,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:42,279 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:46:42,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:42,310 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:46:42,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42 WrapperNode [2025-02-08 09:46:42,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:42,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:42,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:46:42,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:46:42,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,348 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-02-08 09:46:42,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:42,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:46:42,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:46:42,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:46:42,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,371 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:46:42,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:46:42,379 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:46:42,379 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:46:42,379 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:46:42,380 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (1/1) ... [2025-02-08 09:46:42,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:42,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:42,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:46:42,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:46:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:46:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:46:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:46:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:46:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:46:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:46:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:46:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:46:42,506 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:46:42,507 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:46:42,806 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-08 09:46:42,806 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:46:42,820 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:46:42,820 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:46:42,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:42 BoogieIcfgContainer [2025-02-08 09:46:42,823 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:46:42,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:46:42,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:46:42,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:46:42,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:46:42" (1/3) ... [2025-02-08 09:46:42,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41548b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:42, skipping insertion in model container [2025-02-08 09:46:42,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:42" (2/3) ... [2025-02-08 09:46:42,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41548b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:42, skipping insertion in model container [2025-02-08 09:46:42,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:42" (3/3) ... [2025-02-08 09:46:42,843 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound20.c [2025-02-08 09:46:42,853 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:46:42,854 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound20.c that has 3 procedures, 109 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-02-08 09:46:42,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:46:42,907 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;@2c814cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:46:42,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-08 09:46:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 100 states have internal predecessors, (107), 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) [2025-02-08 09:46:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:46:42,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:42,937 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:42,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:42,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash -161748381, now seen corresponding path program 1 times [2025-02-08 09:46:42,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:42,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235685221] [2025-02-08 09:46:42,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:43,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:43,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:43,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:43,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:43,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:43,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235685221] [2025-02-08 09:46:43,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235685221] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231402314] [2025-02-08 09:46:43,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:43,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:43,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:43,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:43,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:46:43,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:43,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:43,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:43,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:43,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:46:43,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:43,211 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:43,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231402314] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:43,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:43,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:46:43,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076823584] [2025-02-08 09:46:43,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:43,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:46:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:43,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:46:43,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:43,257 INFO L87 Difference]: Start difference. First operand has 109 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 100 states have internal predecessors, (107), 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) 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:43,299 INFO L93 Difference]: Finished difference Result 216 states and 241 transitions. [2025-02-08 09:46:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:46:43,302 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-02-08 09:46:43,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:43,309 INFO L225 Difference]: With dead ends: 216 [2025-02-08 09:46:43,313 INFO L226 Difference]: Without dead ends: 105 [2025-02-08 09:46:43,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:43,323 INFO L435 NwaCegarLoop]: 116 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, 116 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 [2025-02-08 09:46:43,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-02-08 09:46:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-02-08 09:46:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.8035714285714286) internal successors, (101), 97 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2025-02-08 09:46:43,380 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 20 [2025-02-08 09:46:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:43,380 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2025-02-08 09:46:43,380 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2025-02-08 09:46:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:46:43,381 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:43,381 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:43,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:46:43,583 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 [2025-02-08 09:46:43,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash -576760892, now seen corresponding path program 1 times [2025-02-08 09:46:43,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:43,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672844243] [2025-02-08 09:46:43,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:43,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:43,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:43,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:43,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:43,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:43,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754566942] [2025-02-08 09:46:43,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:43,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:43,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:43,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:43,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:46:43,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:43,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:43,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:43,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:43,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:46:43,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:43,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672844243] [2025-02-08 09:46:44,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754566942] [2025-02-08 09:46:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754566942] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:44,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:44,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:46:44,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415021160] [2025-02-08 09:46:44,029 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:44,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:44,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:44,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:44,030 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:44,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:44,321 INFO L93 Difference]: Finished difference Result 143 states and 167 transitions. [2025-02-08 09:46:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:44,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-02-08 09:46:44,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:44,322 INFO L225 Difference]: With dead ends: 143 [2025-02-08 09:46:44,322 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 09:46:44,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:44,323 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 156 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:44,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 215 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 09:46:44,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2025-02-08 09:46:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.705128205128205) internal successors, (133), 117 states have internal predecessors, (133), 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) [2025-02-08 09:46:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2025-02-08 09:46:44,331 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 20 [2025-02-08 09:46:44,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:44,333 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2025-02-08 09:46:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2025-02-08 09:46:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:46:44,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:44,335 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:44,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:44,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:44,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:44,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash -699718406, now seen corresponding path program 1 times [2025-02-08 09:46:44,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:44,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633332027] [2025-02-08 09:46:44,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:44,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:44,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:46:44,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:46:44,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:44,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:44,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235405032] [2025-02-08 09:46:44,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:44,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:44,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:44,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:44,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:46:44,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:46:44,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:46:44,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:44,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:44,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:44,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:44,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:44,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:44,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633332027] [2025-02-08 09:46:44,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:44,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235405032] [2025-02-08 09:46:44,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235405032] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:44,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:44,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:44,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809859795] [2025-02-08 09:46:44,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:44,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:44,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:44,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:44,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:44,716 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:45,053 INFO L93 Difference]: Finished difference Result 174 states and 213 transitions. [2025-02-08 09:46:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2025-02-08 09:46:45,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:45,055 INFO L225 Difference]: With dead ends: 174 [2025-02-08 09:46:45,055 INFO L226 Difference]: Without dead ends: 157 [2025-02-08 09:46:45,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:45,056 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 305 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:45,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 196 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:45,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-02-08 09:46:45,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2025-02-08 09:46:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.619047619047619) internal successors, (170), 142 states have internal predecessors, (170), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 186 transitions. [2025-02-08 09:46:45,081 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 186 transitions. Word has length 21 [2025-02-08 09:46:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:45,081 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 186 transitions. [2025-02-08 09:46:45,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2025-02-08 09:46:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 09:46:45,082 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:45,082 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:45,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:46:45,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:45,283 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:45,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:45,284 INFO L85 PathProgramCache]: Analyzing trace with hash -216434046, now seen corresponding path program 1 times [2025-02-08 09:46:45,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:45,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714896549] [2025-02-08 09:46:45,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:45,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:46:45,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:46:45,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:45,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302785729] [2025-02-08 09:46:45,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:45,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:45,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:45,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:46:45,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:46:45,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:46:45,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:45,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:46:45,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:45,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:45,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:45,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714896549] [2025-02-08 09:46:45,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:45,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302785729] [2025-02-08 09:46:45,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302785729] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:45,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:45,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:46:45,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135737818] [2025-02-08 09:46:45,673 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:45,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:45,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:45,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:45,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:45,674 INFO L87 Difference]: Start difference. First operand 153 states and 186 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:45,880 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions. [2025-02-08 09:46:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:45,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2025-02-08 09:46:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:45,881 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:46:45,883 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:46:45,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:45,884 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 136 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:45,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 241 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:45,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:46:45,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2025-02-08 09:46:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6095238095238096) internal successors, (169), 142 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 185 transitions. [2025-02-08 09:46:45,896 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 185 transitions. Word has length 22 [2025-02-08 09:46:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:45,897 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 185 transitions. [2025-02-08 09:46:45,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 185 transitions. [2025-02-08 09:46:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-08 09:46:45,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:45,898 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:45,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:46,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:46,102 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:46,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1880479224, now seen corresponding path program 1 times [2025-02-08 09:46:46,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:46,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752029527] [2025-02-08 09:46:46,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:46,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 09:46:46,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 09:46:46,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:46,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:46,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1085156816] [2025-02-08 09:46:46,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:46,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:46,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:46,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:46,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:46:46,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 09:46:46,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 09:46:46,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:46,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:46,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:46:46,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:46,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:46,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:46,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752029527] [2025-02-08 09:46:46,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:46,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085156816] [2025-02-08 09:46:46,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085156816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:46,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:46,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:46,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158437543] [2025-02-08 09:46:46,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:46,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:46,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:46,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:46,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:46,288 INFO L87 Difference]: Start difference. First operand 153 states and 185 transitions. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:46,547 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2025-02-08 09:46:46,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:46,547 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2025-02-08 09:46:46,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:46,548 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:46:46,548 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:46:46,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:46,549 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 251 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:46,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 244 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:46,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:46:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2025-02-08 09:46:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6) internal successors, (168), 142 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 184 transitions. [2025-02-08 09:46:46,565 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 184 transitions. Word has length 23 [2025-02-08 09:46:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:46,565 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 184 transitions. [2025-02-08 09:46:46,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2025-02-08 09:46:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:46:46,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:46,565 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:46,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:46,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:46,766 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:46,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1834686144, now seen corresponding path program 1 times [2025-02-08 09:46:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:46,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897715736] [2025-02-08 09:46:46,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:46,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:46:46,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:46:46,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:46,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:46,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:46,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897715736] [2025-02-08 09:46:46,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897715736] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:46,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:46,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:46,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593627057] [2025-02-08 09:46:46,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:46,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:46,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:46,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:46,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:46,855 INFO L87 Difference]: Start difference. First operand 153 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:47,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:47,048 INFO L93 Difference]: Finished difference Result 222 states and 265 transitions. [2025-02-08 09:46:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:47,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-02-08 09:46:47,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:47,050 INFO L225 Difference]: With dead ends: 222 [2025-02-08 09:46:47,050 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 09:46:47,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:47,051 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 81 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:47,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 164 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:47,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 09:46:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 171. [2025-02-08 09:46:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 122 states have (on average 1.5819672131147542) internal successors, (193), 159 states have internal predecessors, (193), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:46:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 211 transitions. [2025-02-08 09:46:47,062 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 211 transitions. Word has length 24 [2025-02-08 09:46:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:47,062 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 211 transitions. [2025-02-08 09:46:47,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 211 transitions. [2025-02-08 09:46:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:46:47,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,062 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:47,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:46:47,063 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:47,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1040695562, now seen corresponding path program 1 times [2025-02-08 09:46:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081010280] [2025-02-08 09:46:47,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:47,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:46:47,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:46:47,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:47,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:47,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081010280] [2025-02-08 09:46:47,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081010280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:47,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:47,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:47,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215846982] [2025-02-08 09:46:47,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:47,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:47,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:47,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:47,323 INFO L87 Difference]: Start difference. First operand 171 states and 211 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:47,663 INFO L93 Difference]: Finished difference Result 222 states and 263 transitions. [2025-02-08 09:46:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:47,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-02-08 09:46:47,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:47,665 INFO L225 Difference]: With dead ends: 222 [2025-02-08 09:46:47,665 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 09:46:47,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:47,666 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:47,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 189 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 09:46:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 171. [2025-02-08 09:46:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 122 states have (on average 1.5655737704918034) internal successors, (191), 159 states have internal predecessors, (191), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:46:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 209 transitions. [2025-02-08 09:46:47,672 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 209 transitions. Word has length 25 [2025-02-08 09:46:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:47,673 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 209 transitions. [2025-02-08 09:46:47,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 209 transitions. [2025-02-08 09:46:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:47,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,673 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:47,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:46:47,674 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:47,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash -361937316, now seen corresponding path program 1 times [2025-02-08 09:46:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:47,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375138063] [2025-02-08 09:46:47,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:47,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:47,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:47,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:47,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736064364] [2025-02-08 09:46:47,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:47,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:47,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:46:47,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:47,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:47,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:47,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:47,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:47,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:47,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375138063] [2025-02-08 09:46:47,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736064364] [2025-02-08 09:46:47,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736064364] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:47,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:47,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923079131] [2025-02-08 09:46:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:47,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:47,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:47,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:47,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:47,805 INFO L87 Difference]: Start difference. First operand 171 states and 209 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:47,933 INFO L93 Difference]: Finished difference Result 228 states and 287 transitions. [2025-02-08 09:46:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2025-02-08 09:46:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:47,943 INFO L225 Difference]: With dead ends: 228 [2025-02-08 09:46:47,943 INFO L226 Difference]: Without dead ends: 222 [2025-02-08 09:46:47,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:47,944 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 156 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:47,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 122 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-08 09:46:47,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 208. [2025-02-08 09:46:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 158 states have (on average 1.5632911392405062) internal successors, (247), 195 states have internal predecessors, (247), 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) [2025-02-08 09:46:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 267 transitions. [2025-02-08 09:46:47,951 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 267 transitions. Word has length 38 [2025-02-08 09:46:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:47,951 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 267 transitions. [2025-02-08 09:46:47,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 267 transitions. [2025-02-08 09:46:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:47,952 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,952 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:47,958 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 [2025-02-08 09:46:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 09:46:48,157 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:48,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1664845089, now seen corresponding path program 1 times [2025-02-08 09:46:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:48,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743861792] [2025-02-08 09:46:48,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:48,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:48,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:48,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:48,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868118982] [2025-02-08 09:46:48,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:48,218 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:48,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:46:48,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:48,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:48,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:48,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:48,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:48,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743861792] [2025-02-08 09:46:48,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:48,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868118982] [2025-02-08 09:46:48,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868118982] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:48,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:48,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:48,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127572635] [2025-02-08 09:46:48,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:48,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:48,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:48,330 INFO L87 Difference]: Start difference. First operand 208 states and 267 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:48,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:48,483 INFO L93 Difference]: Finished difference Result 303 states and 412 transitions. [2025-02-08 09:46:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:48,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2025-02-08 09:46:48,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:48,485 INFO L225 Difference]: With dead ends: 303 [2025-02-08 09:46:48,485 INFO L226 Difference]: Without dead ends: 297 [2025-02-08 09:46:48,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:48,485 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 198 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:48,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 90 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:48,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-08 09:46:48,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2025-02-08 09:46:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.5991189427312775) internal successors, (363), 264 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 387 transitions. [2025-02-08 09:46:48,493 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 387 transitions. Word has length 39 [2025-02-08 09:46:48,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:48,493 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 387 transitions. [2025-02-08 09:46:48,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2025-02-08 09:46:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:48,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:48,494 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:48,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:46:48,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,697 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:48,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:48,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1666914570, now seen corresponding path program 1 times [2025-02-08 09:46:48,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341577924] [2025-02-08 09:46:48,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:48,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:48,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:48,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:48,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1516163985] [2025-02-08 09:46:48,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:48,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:48,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:46:48,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:48,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:48,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:48,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:48,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:48,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341577924] [2025-02-08 09:46:48,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:48,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516163985] [2025-02-08 09:46:48,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516163985] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:48,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:48,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:48,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234695572] [2025-02-08 09:46:48,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:48,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:48,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:48,830 INFO L87 Difference]: Start difference. First operand 279 states and 387 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-02-08 09:46:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:48,990 INFO L93 Difference]: Finished difference Result 286 states and 392 transitions. [2025-02-08 09:46:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:48,990 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), 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 39 [2025-02-08 09:46:48,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:48,991 INFO L225 Difference]: With dead ends: 286 [2025-02-08 09:46:48,991 INFO L226 Difference]: Without dead ends: 285 [2025-02-08 09:46:48,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:48,992 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 142 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:48,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 121 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:48,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-08 09:46:49,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 279. [2025-02-08 09:46:49,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.5947136563876652) internal successors, (362), 264 states have internal predecessors, (362), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 386 transitions. [2025-02-08 09:46:49,004 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 386 transitions. Word has length 39 [2025-02-08 09:46:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,005 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 386 transitions. [2025-02-08 09:46:49,006 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), 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) [2025-02-08 09:46:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 386 transitions. [2025-02-08 09:46:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:46:49,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,006 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:49,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:46:49,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:49,207 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:49,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 70590202, now seen corresponding path program 1 times [2025-02-08 09:46:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:49,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939770636] [2025-02-08 09:46:49,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:49,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:49,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:49,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:49,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:49,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:49,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939770636] [2025-02-08 09:46:49,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939770636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:49,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439243761] [2025-02-08 09:46:49,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:49,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:49,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:49,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:49,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:49,291 INFO L87 Difference]: Start difference. First operand 279 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), 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) [2025-02-08 09:46:49,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:49,474 INFO L93 Difference]: Finished difference Result 349 states and 470 transitions. [2025-02-08 09:46:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 40 [2025-02-08 09:46:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:49,476 INFO L225 Difference]: With dead ends: 349 [2025-02-08 09:46:49,476 INFO L226 Difference]: Without dead ends: 348 [2025-02-08 09:46:49,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:49,477 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 50 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:49,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 213 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:49,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-08 09:46:49,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2025-02-08 09:46:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 273 states have internal predecessors, (374), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 398 transitions. [2025-02-08 09:46:49,485 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 398 transitions. Word has length 40 [2025-02-08 09:46:49,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,485 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 398 transitions. [2025-02-08 09:46:49,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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) [2025-02-08 09:46:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 398 transitions. [2025-02-08 09:46:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:46:49,486 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,486 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:49,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:46:49,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:49,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 134744127, now seen corresponding path program 1 times [2025-02-08 09:46:49,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:49,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983898778] [2025-02-08 09:46:49,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:49,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:49,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:49,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:49,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:49,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:49,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363434453] [2025-02-08 09:46:49,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:49,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:49,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:49,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:49,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:46:49,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:49,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:49,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:49,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:49,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:49,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:49,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:49,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:49,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983898778] [2025-02-08 09:46:49,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:49,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363434453] [2025-02-08 09:46:49,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363434453] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:49,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:49,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:49,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193561817] [2025-02-08 09:46:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:49,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:49,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:49,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:49,641 INFO L87 Difference]: Start difference. First operand 288 states and 398 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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) [2025-02-08 09:46:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:49,802 INFO L93 Difference]: Finished difference Result 304 states and 410 transitions. [2025-02-08 09:46:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:49,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 40 [2025-02-08 09:46:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:49,804 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:46:49,804 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:46:49,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:49,805 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 189 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:49,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 91 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:46:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 285. [2025-02-08 09:46:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 233 states have (on average 1.55793991416309) internal successors, (363), 270 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 387 transitions. [2025-02-08 09:46:49,813 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 387 transitions. Word has length 40 [2025-02-08 09:46:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,813 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 387 transitions. [2025-02-08 09:46:49,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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) [2025-02-08 09:46:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 387 transitions. [2025-02-08 09:46:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:49,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,814 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:49,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:50,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:50,019 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:50,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2106671041, now seen corresponding path program 1 times [2025-02-08 09:46:50,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:50,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827989652] [2025-02-08 09:46:50,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:50,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:50,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:50,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:50,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:50,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827989652] [2025-02-08 09:46:50,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827989652] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:50,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:50,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623550825] [2025-02-08 09:46:50,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:50,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:50,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:50,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:50,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:50,104 INFO L87 Difference]: Start difference. First operand 285 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2025-02-08 09:46:50,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:50,482 INFO L93 Difference]: Finished difference Result 347 states and 457 transitions. [2025-02-08 09:46:50,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:50,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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 41 [2025-02-08 09:46:50,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:50,484 INFO L225 Difference]: With dead ends: 347 [2025-02-08 09:46:50,484 INFO L226 Difference]: Without dead ends: 346 [2025-02-08 09:46:50,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:50,485 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 49 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:50,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 207 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:50,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-02-08 09:46:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 287. [2025-02-08 09:46:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 235 states have (on average 1.553191489361702) internal successors, (365), 272 states have internal predecessors, (365), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 389 transitions. [2025-02-08 09:46:50,497 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 389 transitions. Word has length 41 [2025-02-08 09:46:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:50,498 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 389 transitions. [2025-02-08 09:46:50,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2025-02-08 09:46:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 389 transitions. [2025-02-08 09:46:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:50,500 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:50,500 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:50,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:46:50,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:50,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:50,501 INFO L85 PathProgramCache]: Analyzing trace with hash -117899352, now seen corresponding path program 1 times [2025-02-08 09:46:50,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:50,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643714242] [2025-02-08 09:46:50,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:50,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:50,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:50,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:50,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:50,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643714242] [2025-02-08 09:46:50,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643714242] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:50,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:50,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:50,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181286993] [2025-02-08 09:46:50,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:50,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:50,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:50,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:50,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:50,565 INFO L87 Difference]: Start difference. First operand 287 states and 389 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2025-02-08 09:46:50,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:50,769 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2025-02-08 09:46:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:50,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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 41 [2025-02-08 09:46:50,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:50,771 INFO L225 Difference]: With dead ends: 347 [2025-02-08 09:46:50,771 INFO L226 Difference]: Without dead ends: 346 [2025-02-08 09:46:50,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:50,771 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 49 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:50,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 231 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:50,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-02-08 09:46:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 297. [2025-02-08 09:46:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 245 states have (on average 1.546938775510204) internal successors, (379), 282 states have internal predecessors, (379), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 403 transitions. [2025-02-08 09:46:50,779 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 403 transitions. Word has length 41 [2025-02-08 09:46:50,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:50,779 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 403 transitions. [2025-02-08 09:46:50,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2025-02-08 09:46:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 403 transitions. [2025-02-08 09:46:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:50,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:50,780 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:50,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:46:50,780 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:50,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:50,781 INFO L85 PathProgramCache]: Analyzing trace with hash -66366881, now seen corresponding path program 1 times [2025-02-08 09:46:50,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:50,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827163647] [2025-02-08 09:46:50,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:50,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:50,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:50,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:50,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:50,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:50,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827163647] [2025-02-08 09:46:50,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827163647] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:50,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:50,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117337534] [2025-02-08 09:46:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:50,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:50,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:50,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:50,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:50,862 INFO L87 Difference]: Start difference. First operand 297 states and 403 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:51,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:51,188 INFO L93 Difference]: Finished difference Result 398 states and 562 transitions. [2025-02-08 09:46:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:51,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-02-08 09:46:51,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:51,189 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:46:51,189 INFO L226 Difference]: Without dead ends: 396 [2025-02-08 09:46:51,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:51,190 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 434 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:51,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 94 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-08 09:46:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 303. [2025-02-08 09:46:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 251 states have (on average 1.5378486055776892) internal successors, (386), 288 states have internal predecessors, (386), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 410 transitions. [2025-02-08 09:46:51,201 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 410 transitions. Word has length 41 [2025-02-08 09:46:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:51,202 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 410 transitions. [2025-02-08 09:46:51,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 410 transitions. [2025-02-08 09:46:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:51,203 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:51,203 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-08 09:46:51,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:46:51,203 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:51,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:51,203 INFO L85 PathProgramCache]: Analyzing trace with hash 539022173, now seen corresponding path program 1 times [2025-02-08 09:46:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:51,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59879845] [2025-02-08 09:46:51,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:51,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:51,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:51,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:51,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757315830] [2025-02-08 09:46:51,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:51,221 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:51,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:46:51,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:51,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:51,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:51,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:51,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:51,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:52,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:52,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59879845] [2025-02-08 09:46:52,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:52,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757315830] [2025-02-08 09:46:52,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757315830] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:52,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:52,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:46:52,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630605438] [2025-02-08 09:46:52,785 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:52,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:46:52,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:52,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:46:52,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:52,786 INFO L87 Difference]: Start difference. First operand 303 states and 410 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,179 INFO L93 Difference]: Finished difference Result 315 states and 417 transitions. [2025-02-08 09:46:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:46:53,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-08 09:46:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,190 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:46:53,193 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 09:46:53,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:53,194 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 260 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 272 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 09:46:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2025-02-08 09:46:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 251 states have (on average 1.5219123505976095) internal successors, (382), 288 states have internal predecessors, (382), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 406 transitions. [2025-02-08 09:46:53,218 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 406 transitions. Word has length 42 [2025-02-08 09:46:53,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:53,218 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 406 transitions. [2025-02-08 09:46:53,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 406 transitions. [2025-02-08 09:46:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:53,218 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:53,219 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:53,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:46:53,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 09:46:53,424 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash 640087389, now seen corresponding path program 1 times [2025-02-08 09:46:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268121880] [2025-02-08 09:46:53,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:53,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:53,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:53,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:53,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:53,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268121880] [2025-02-08 09:46:53,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268121880] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:53,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:53,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213364257] [2025-02-08 09:46:53,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:53,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:53,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:53,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:53,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:53,517 INFO L87 Difference]: Start difference. First operand 303 states and 406 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-02-08 09:46:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,966 INFO L93 Difference]: Finished difference Result 339 states and 442 transitions. [2025-02-08 09:46:53,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:53,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 42 [2025-02-08 09:46:53,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,973 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:46:53,973 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:46:53,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:53,973 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 41 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 225 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:53,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:46:54,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2025-02-08 09:46:54,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 253 states have (on average 1.517786561264822) internal successors, (384), 290 states have internal predecessors, (384), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 408 transitions. [2025-02-08 09:46:54,010 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 408 transitions. Word has length 42 [2025-02-08 09:46:54,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:54,010 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 408 transitions. [2025-02-08 09:46:54,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-02-08 09:46:54,010 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 408 transitions. [2025-02-08 09:46:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:54,010 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:54,010 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:54,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:46:54,011 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:54,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2057373282, now seen corresponding path program 1 times [2025-02-08 09:46:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880069458] [2025-02-08 09:46:54,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:54,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:54,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:54,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880069458] [2025-02-08 09:46:54,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880069458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:54,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:54,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898584341] [2025-02-08 09:46:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:54,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:54,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:54,108 INFO L87 Difference]: Start difference. First operand 305 states and 408 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:54,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:54,564 INFO L93 Difference]: Finished difference Result 316 states and 420 transitions. [2025-02-08 09:46:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:54,565 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-08 09:46:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:54,566 INFO L225 Difference]: With dead ends: 316 [2025-02-08 09:46:54,566 INFO L226 Difference]: Without dead ends: 314 [2025-02-08 09:46:54,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:54,567 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 419 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:54,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 89 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:54,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-08 09:46:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2025-02-08 09:46:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 253 states have (on average 1.5059288537549407) internal successors, (381), 290 states have internal predecessors, (381), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 405 transitions. [2025-02-08 09:46:54,589 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 405 transitions. Word has length 42 [2025-02-08 09:46:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:54,589 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 405 transitions. [2025-02-08 09:46:54,589 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 405 transitions. [2025-02-08 09:46:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:46:54,590 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:54,590 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:54,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:46:54,590 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:54,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1581271875, now seen corresponding path program 1 times [2025-02-08 09:46:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960010421] [2025-02-08 09:46:54,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:46:54,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:46:54,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:54,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091396957] [2025-02-08 09:46:54,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:54,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:54,648 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:54,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:46:54,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:46:54,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:46:54,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:46:54,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:54,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:54,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960010421] [2025-02-08 09:46:54,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091396957] [2025-02-08 09:46:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091396957] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:54,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:54,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 09:46:54,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347543391] [2025-02-08 09:46:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:46:54,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:46:54,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:54,795 INFO L87 Difference]: Start difference. First operand 305 states and 405 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:55,223 INFO L93 Difference]: Finished difference Result 318 states and 415 transitions. [2025-02-08 09:46:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:46:55,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-08 09:46:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:55,224 INFO L225 Difference]: With dead ends: 318 [2025-02-08 09:46:55,225 INFO L226 Difference]: Without dead ends: 312 [2025-02-08 09:46:55,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:46:55,225 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 165 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:55,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 267 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-08 09:46:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 307. [2025-02-08 09:46:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 255 states have (on average 1.4705882352941178) internal successors, (375), 291 states have internal predecessors, (375), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:46:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2025-02-08 09:46:55,235 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 401 transitions. Word has length 43 [2025-02-08 09:46:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:55,235 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 401 transitions. [2025-02-08 09:46:55,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 401 transitions. [2025-02-08 09:46:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:46:55,236 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:55,236 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] [2025-02-08 09:46:55,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:55,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:55,437 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:55,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:55,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1690732581, now seen corresponding path program 1 times [2025-02-08 09:46:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:55,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104827222] [2025-02-08 09:46:55,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:55,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:55,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:46:55,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:46:55,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:55,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:55,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571107780] [2025-02-08 09:46:55,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:55,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:55,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:55,480 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:55,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:46:55,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:46:55,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:46:55,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:55,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:55,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:55,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:56,200 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:58,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:58,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104827222] [2025-02-08 09:46:58,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:58,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571107780] [2025-02-08 09:46:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571107780] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:58,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:46:58,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483337417] [2025-02-08 09:46:58,732 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:58,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:46:58,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:58,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:46:58,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:58,733 INFO L87 Difference]: Start difference. First operand 307 states and 401 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:59,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:59,370 INFO L93 Difference]: Finished difference Result 398 states and 534 transitions. [2025-02-08 09:46:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:46:59,370 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-02-08 09:46:59,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:59,371 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:46:59,372 INFO L226 Difference]: Without dead ends: 378 [2025-02-08 09:46:59,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=185, Invalid=367, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:46:59,373 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 321 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:59,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 227 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:46:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-08 09:46:59,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 352. [2025-02-08 09:46:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 298 states have (on average 1.4563758389261745) internal successors, (434), 334 states have internal predecessors, (434), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:46:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 464 transitions. [2025-02-08 09:46:59,387 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 464 transitions. Word has length 44 [2025-02-08 09:46:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:59,387 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 464 transitions. [2025-02-08 09:46:59,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 464 transitions. [2025-02-08 09:46:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:46:59,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:59,388 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-08 09:46:59,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:59,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:59,589 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:59,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1774787807, now seen corresponding path program 1 times [2025-02-08 09:46:59,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:59,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268516749] [2025-02-08 09:46:59,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:59,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:59,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:46:59,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:46:59,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:59,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:59,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980833941] [2025-02-08 09:46:59,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:59,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:59,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:59,608 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:59,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:46:59,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:46:59,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:46:59,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:59,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:59,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:46:59,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:00,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:00,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268516749] [2025-02-08 09:47:00,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:00,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980833941] [2025-02-08 09:47:00,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980833941] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:00,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:00,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2025-02-08 09:47:00,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702045178] [2025-02-08 09:47:00,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:00,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:47:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:00,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:47:00,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:47:00,958 INFO L87 Difference]: Start difference. First operand 352 states and 464 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:01,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:01,977 INFO L93 Difference]: Finished difference Result 368 states and 488 transitions. [2025-02-08 09:47:01,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:01,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-08 09:47:01,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:01,979 INFO L225 Difference]: With dead ends: 368 [2025-02-08 09:47:01,979 INFO L226 Difference]: Without dead ends: 361 [2025-02-08 09:47:01,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:47:01,980 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 109 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:01,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 99 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:47:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-08 09:47:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 337. [2025-02-08 09:47:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 287 states have (on average 1.4494773519163764) internal successors, (416), 322 states have internal predecessors, (416), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 440 transitions. [2025-02-08 09:47:01,989 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 440 transitions. Word has length 44 [2025-02-08 09:47:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:01,990 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 440 transitions. [2025-02-08 09:47:01,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 440 transitions. [2025-02-08 09:47:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:47:01,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:01,990 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:01,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:47:02,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:02,196 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:02,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:02,197 INFO L85 PathProgramCache]: Analyzing trace with hash 943659611, now seen corresponding path program 1 times [2025-02-08 09:47:02,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:02,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203028215] [2025-02-08 09:47:02,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:02,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:02,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:02,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:02,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:02,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:02,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927882835] [2025-02-08 09:47:02,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:02,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:02,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:02,216 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:02,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:47:02,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:02,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:02,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:02,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:02,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:47:02,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:02,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:02,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:02,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203028215] [2025-02-08 09:47:02,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:02,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927882835] [2025-02-08 09:47:02,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927882835] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:02,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:02,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:02,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186773537] [2025-02-08 09:47:02,486 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:02,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:02,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:02,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:02,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:47:02,487 INFO L87 Difference]: Start difference. First operand 337 states and 440 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:02,956 INFO L93 Difference]: Finished difference Result 397 states and 524 transitions. [2025-02-08 09:47:02,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:02,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-02-08 09:47:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:02,959 INFO L225 Difference]: With dead ends: 397 [2025-02-08 09:47:02,959 INFO L226 Difference]: Without dead ends: 382 [2025-02-08 09:47:02,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:47:02,964 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 288 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:02,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 253 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:02,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-08 09:47:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 366. [2025-02-08 09:47:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 315 states have (on average 1.4412698412698413) internal successors, (454), 350 states have internal predecessors, (454), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:47:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 480 transitions. [2025-02-08 09:47:02,988 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 480 transitions. Word has length 44 [2025-02-08 09:47:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:02,988 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 480 transitions. [2025-02-08 09:47:02,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 480 transitions. [2025-02-08 09:47:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:02,989 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:02,989 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:02,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:47:03,193 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,SelfDestructingSolverStorable21 [2025-02-08 09:47:03,194 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -873102401, now seen corresponding path program 1 times [2025-02-08 09:47:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469221710] [2025-02-08 09:47:03,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:03,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:03,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:03,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:03,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864313822] [2025-02-08 09:47:03,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:03,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:03,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:03,214 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:03,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:47:03,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:03,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:03,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:03,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:03,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:47:03,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:03,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:04,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469221710] [2025-02-08 09:47:04,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864313822] [2025-02-08 09:47:04,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864313822] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:04,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:04,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:47:04,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50115752] [2025-02-08 09:47:04,493 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:04,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:47:04,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:04,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:47:04,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:47:04,495 INFO L87 Difference]: Start difference. First operand 366 states and 480 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:05,146 INFO L93 Difference]: Finished difference Result 422 states and 548 transitions. [2025-02-08 09:47:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:47:05,146 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-08 09:47:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:05,147 INFO L225 Difference]: With dead ends: 422 [2025-02-08 09:47:05,147 INFO L226 Difference]: Without dead ends: 417 [2025-02-08 09:47:05,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:47:05,149 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 168 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:05,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 258 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-08 09:47:05,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 391. [2025-02-08 09:47:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 339 states have (on average 1.4218289085545723) internal successors, (482), 374 states have internal predecessors, (482), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:47:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 510 transitions. [2025-02-08 09:47:05,160 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 510 transitions. Word has length 45 [2025-02-08 09:47:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:05,160 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 510 transitions. [2025-02-08 09:47:05,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 510 transitions. [2025-02-08 09:47:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:05,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:05,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:05,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:47:05,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:05,364 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:05,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2024103397, now seen corresponding path program 1 times [2025-02-08 09:47:05,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:05,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551605918] [2025-02-08 09:47:05,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:05,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:05,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:05,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:05,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:05,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:05,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136324597] [2025-02-08 09:47:05,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:05,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:05,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:05,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:05,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:47:05,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:05,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:05,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:05,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:05,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:47:05,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:05,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:05,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:05,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551605918] [2025-02-08 09:47:05,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:05,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136324597] [2025-02-08 09:47:05,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136324597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:05,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:05,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:05,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202178714] [2025-02-08 09:47:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:05,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:05,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:05,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:05,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:05,534 INFO L87 Difference]: Start difference. First operand 391 states and 510 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:05,870 INFO L93 Difference]: Finished difference Result 474 states and 632 transitions. [2025-02-08 09:47:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-08 09:47:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:05,872 INFO L225 Difference]: With dead ends: 474 [2025-02-08 09:47:05,873 INFO L226 Difference]: Without dead ends: 467 [2025-02-08 09:47:05,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:47:05,873 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 382 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:05,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 93 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-08 09:47:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 426. [2025-02-08 09:47:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.4262734584450403) internal successors, (532), 408 states have internal predecessors, (532), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 562 transitions. [2025-02-08 09:47:05,936 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 562 transitions. Word has length 45 [2025-02-08 09:47:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:05,936 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 562 transitions. [2025-02-08 09:47:05,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 562 transitions. [2025-02-08 09:47:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:47:05,937 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:05,937 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] [2025-02-08 09:47:05,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:06,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:06,150 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:06,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:06,151 INFO L85 PathProgramCache]: Analyzing trace with hash 618788697, now seen corresponding path program 1 times [2025-02-08 09:47:06,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:06,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082649975] [2025-02-08 09:47:06,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:06,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:06,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:06,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:06,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:06,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288284819] [2025-02-08 09:47:06,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:06,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:06,189 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:06,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:47:06,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:06,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:06,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:06,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:06,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:06,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:06,395 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:06,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:06,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082649975] [2025-02-08 09:47:06,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:06,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288284819] [2025-02-08 09:47:06,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288284819] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:06,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:06,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:06,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363409889] [2025-02-08 09:47:06,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:06,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:06,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:06,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:06,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:47:06,749 INFO L87 Difference]: Start difference. First operand 426 states and 562 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:07,048 INFO L93 Difference]: Finished difference Result 440 states and 580 transitions. [2025-02-08 09:47:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:07,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-08 09:47:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:07,050 INFO L225 Difference]: With dead ends: 440 [2025-02-08 09:47:07,050 INFO L226 Difference]: Without dead ends: 439 [2025-02-08 09:47:07,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:07,051 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 272 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:07,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 233 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:07,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-02-08 09:47:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 426. [2025-02-08 09:47:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.420911528150134) internal successors, (530), 408 states have internal predecessors, (530), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 560 transitions. [2025-02-08 09:47:07,069 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 560 transitions. Word has length 46 [2025-02-08 09:47:07,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:07,069 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 560 transitions. [2025-02-08 09:47:07,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 560 transitions. [2025-02-08 09:47:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:47:07,070 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:07,070 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:07,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:07,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:07,270 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:07,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:07,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1677304154, now seen corresponding path program 1 times [2025-02-08 09:47:07,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:07,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137157174] [2025-02-08 09:47:07,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:07,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:07,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:07,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:07,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375844755] [2025-02-08 09:47:07,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:07,285 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:07,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:47:07,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:07,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:07,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:07,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:47:07,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:07,448 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:07,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:07,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137157174] [2025-02-08 09:47:07,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:07,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375844755] [2025-02-08 09:47:07,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375844755] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:07,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:07,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:07,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147637291] [2025-02-08 09:47:07,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:07,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:07,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:07,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:07,449 INFO L87 Difference]: Start difference. First operand 426 states and 560 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:07,827 INFO L93 Difference]: Finished difference Result 451 states and 591 transitions. [2025-02-08 09:47:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:07,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-08 09:47:07,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:07,832 INFO L225 Difference]: With dead ends: 451 [2025-02-08 09:47:07,832 INFO L226 Difference]: Without dead ends: 450 [2025-02-08 09:47:07,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:47:07,833 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 366 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:07,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 98 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:07,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-02-08 09:47:07,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 426. [2025-02-08 09:47:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.415549597855228) internal successors, (528), 408 states have internal predecessors, (528), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 558 transitions. [2025-02-08 09:47:07,863 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 558 transitions. Word has length 46 [2025-02-08 09:47:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:07,863 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 558 transitions. [2025-02-08 09:47:07,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 558 transitions. [2025-02-08 09:47:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:07,864 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:07,864 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:07,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:08,064 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,SelfDestructingSolverStorable25 [2025-02-08 09:47:08,065 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:08,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1656085063, now seen corresponding path program 1 times [2025-02-08 09:47:08,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:08,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051290472] [2025-02-08 09:47:08,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:08,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:08,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:08,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807686280] [2025-02-08 09:47:08,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:08,076 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:08,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:47:08,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:08,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:08,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:08,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:47:08,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:08,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:08,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:08,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051290472] [2025-02-08 09:47:08,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:08,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807686280] [2025-02-08 09:47:08,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807686280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:47:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562100273] [2025-02-08 09:47:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:08,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:47:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:08,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:47:08,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:47:08,227 INFO L87 Difference]: Start difference. First operand 426 states and 558 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:08,488 INFO L93 Difference]: Finished difference Result 435 states and 566 transitions. [2025-02-08 09:47:08,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:47:08,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-08 09:47:08,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:08,490 INFO L225 Difference]: With dead ends: 435 [2025-02-08 09:47:08,490 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 09:47:08,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:47:08,490 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:08,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 259 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 09:47:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 426. [2025-02-08 09:47:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.4101876675603218) internal successors, (526), 408 states have internal predecessors, (526), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 556 transitions. [2025-02-08 09:47:08,503 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 556 transitions. Word has length 47 [2025-02-08 09:47:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:08,503 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 556 transitions. [2025-02-08 09:47:08,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 556 transitions. [2025-02-08 09:47:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:08,504 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:08,504 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:08,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:47:08,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:08,705 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:08,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2002580481, now seen corresponding path program 1 times [2025-02-08 09:47:08,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:08,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262194617] [2025-02-08 09:47:08,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:08,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:08,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:08,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:08,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519553199] [2025-02-08 09:47:08,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:08,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:08,722 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:08,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:47:08,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:08,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:08,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:08,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:47:08,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:09,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:14,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262194617] [2025-02-08 09:47:14,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519553199] [2025-02-08 09:47:14,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519553199] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:14,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:14,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:47:14,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460505727] [2025-02-08 09:47:14,493 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:14,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:47:14,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:14,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:47:14,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:47:14,494 INFO L87 Difference]: Start difference. First operand 426 states and 556 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:15,514 INFO L93 Difference]: Finished difference Result 500 states and 658 transitions. [2025-02-08 09:47:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:47:15,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-08 09:47:15,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:15,515 INFO L225 Difference]: With dead ends: 500 [2025-02-08 09:47:15,515 INFO L226 Difference]: Without dead ends: 494 [2025-02-08 09:47:15,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:47:15,516 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 245 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:15,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 218 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:47:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2025-02-08 09:47:15,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 416. [2025-02-08 09:47:15,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 363 states have (on average 1.3856749311294765) internal successors, (503), 398 states have internal predecessors, (503), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 533 transitions. [2025-02-08 09:47:15,539 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 533 transitions. Word has length 47 [2025-02-08 09:47:15,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:15,539 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 533 transitions. [2025-02-08 09:47:15,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 533 transitions. [2025-02-08 09:47:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:15,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:15,539 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:15,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:47:15,744 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,SelfDestructingSolverStorable27 [2025-02-08 09:47:15,744 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:15,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash 456821241, now seen corresponding path program 1 times [2025-02-08 09:47:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:15,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040414295] [2025-02-08 09:47:15,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:15,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:15,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:15,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:15,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:15,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:15,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040414295] [2025-02-08 09:47:15,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040414295] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:15,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:15,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:47:15,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955056031] [2025-02-08 09:47:15,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:15,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:47:15,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:15,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:47:15,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:15,809 INFO L87 Difference]: Start difference. First operand 416 states and 533 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, (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) [2025-02-08 09:47:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:16,020 INFO L93 Difference]: Finished difference Result 441 states and 554 transitions. [2025-02-08 09:47:16,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:47:16,020 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, (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 47 [2025-02-08 09:47:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:16,021 INFO L225 Difference]: With dead ends: 441 [2025-02-08 09:47:16,021 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:47:16,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:16,022 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 33 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:16,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 185 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:47:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 427. [2025-02-08 09:47:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.3903743315508021) internal successors, (520), 409 states have internal predecessors, (520), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 550 transitions. [2025-02-08 09:47:16,045 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 550 transitions. Word has length 47 [2025-02-08 09:47:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:16,045 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 550 transitions. [2025-02-08 09:47:16,045 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, (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) [2025-02-08 09:47:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 550 transitions. [2025-02-08 09:47:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:16,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:16,046 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:16,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-08 09:47:16,046 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:16,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:16,046 INFO L85 PathProgramCache]: Analyzing trace with hash 200970653, now seen corresponding path program 1 times [2025-02-08 09:47:16,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:16,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027416637] [2025-02-08 09:47:16,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:16,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:16,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:16,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:16,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:16,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633729588] [2025-02-08 09:47:16,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:16,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:16,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:16,062 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:16,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:47:16,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:16,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:16,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:16,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:16,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:47:16,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:16,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027416637] [2025-02-08 09:47:16,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633729588] [2025-02-08 09:47:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633729588] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:16,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:16,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143690067] [2025-02-08 09:47:16,727 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:16,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:16,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:16,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:16,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:16,727 INFO L87 Difference]: Start difference. First operand 427 states and 550 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:17,142 INFO L93 Difference]: Finished difference Result 669 states and 854 transitions. [2025-02-08 09:47:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:47:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2025-02-08 09:47:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:17,144 INFO L225 Difference]: With dead ends: 669 [2025-02-08 09:47:17,144 INFO L226 Difference]: Without dead ends: 426 [2025-02-08 09:47:17,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:47:17,146 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 269 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:17,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 236 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-02-08 09:47:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2025-02-08 09:47:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.388586956521739) internal successors, (511), 403 states have internal predecessors, (511), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 541 transitions. [2025-02-08 09:47:17,168 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 541 transitions. Word has length 48 [2025-02-08 09:47:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:17,168 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 541 transitions. [2025-02-08 09:47:17,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 541 transitions. [2025-02-08 09:47:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:17,169 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:17,169 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:17,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:17,369 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 [2025-02-08 09:47:17,370 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:17,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:17,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1950452823, now seen corresponding path program 1 times [2025-02-08 09:47:17,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:17,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453908433] [2025-02-08 09:47:17,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:17,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:17,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:17,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:17,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062903121] [2025-02-08 09:47:17,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:17,436 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:17,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:47:17,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:17,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:17,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:17,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:17,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:47:17,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:17,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:18,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453908433] [2025-02-08 09:47:18,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062903121] [2025-02-08 09:47:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062903121] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:18,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:18,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:47:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266110078] [2025-02-08 09:47:18,323 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:18,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:47:18,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:18,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:47:18,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:47:18,323 INFO L87 Difference]: Start difference. First operand 421 states and 541 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:18,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:18,641 INFO L93 Difference]: Finished difference Result 427 states and 545 transitions. [2025-02-08 09:47:18,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:47:18,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2025-02-08 09:47:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:18,642 INFO L225 Difference]: With dead ends: 427 [2025-02-08 09:47:18,642 INFO L226 Difference]: Without dead ends: 425 [2025-02-08 09:47:18,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:47:18,643 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 150 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:18,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 264 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-02-08 09:47:18,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 421. [2025-02-08 09:47:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.3831521739130435) internal successors, (509), 403 states have internal predecessors, (509), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 539 transitions. [2025-02-08 09:47:18,655 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 539 transitions. Word has length 48 [2025-02-08 09:47:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:18,655 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 539 transitions. [2025-02-08 09:47:18,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 539 transitions. [2025-02-08 09:47:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:18,656 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:18,656 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:18,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:18,860 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 [2025-02-08 09:47:18,860 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:18,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1276556600, now seen corresponding path program 1 times [2025-02-08 09:47:18,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:18,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142706697] [2025-02-08 09:47:18,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:18,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:18,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:18,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:18,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:18,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:18,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142706697] [2025-02-08 09:47:18,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142706697] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:18,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:18,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:47:18,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428333643] [2025-02-08 09:47:18,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:18,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:47:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:18,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:47:18,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:18,911 INFO L87 Difference]: Start difference. First operand 421 states and 539 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, (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) [2025-02-08 09:47:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:19,091 INFO L93 Difference]: Finished difference Result 435 states and 541 transitions. [2025-02-08 09:47:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:47:19,092 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, (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 48 [2025-02-08 09:47:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:19,095 INFO L225 Difference]: With dead ends: 435 [2025-02-08 09:47:19,095 INFO L226 Difference]: Without dead ends: 434 [2025-02-08 09:47:19,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:19,095 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 31 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:19,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 189 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2025-02-08 09:47:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 422. [2025-02-08 09:47:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 369 states have (on average 1.3794037940379404) internal successors, (509), 404 states have internal predecessors, (509), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 539 transitions. [2025-02-08 09:47:19,138 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 539 transitions. Word has length 48 [2025-02-08 09:47:19,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:19,138 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 539 transitions. [2025-02-08 09:47:19,138 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, (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) [2025-02-08 09:47:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 539 transitions. [2025-02-08 09:47:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:47:19,139 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:19,139 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:19,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-08 09:47:19,139 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:19,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 334495423, now seen corresponding path program 1 times [2025-02-08 09:47:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858055155] [2025-02-08 09:47:19,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:19,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:47:19,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:47:19,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:19,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:19,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859904613] [2025-02-08 09:47:19,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:19,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:19,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:19,153 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:19,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:47:19,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:47:19,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:47:19,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:19,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:19,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:47:19,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:19,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:20,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:20,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858055155] [2025-02-08 09:47:20,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:20,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859904613] [2025-02-08 09:47:20,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859904613] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:20,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:20,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:20,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822854477] [2025-02-08 09:47:20,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:20,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:20,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:20,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:20,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:47:20,057 INFO L87 Difference]: Start difference. First operand 422 states and 539 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:20,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:20,414 INFO L93 Difference]: Finished difference Result 445 states and 566 transitions. [2025-02-08 09:47:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:47:20,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2025-02-08 09:47:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:20,416 INFO L225 Difference]: With dead ends: 445 [2025-02-08 09:47:20,416 INFO L226 Difference]: Without dead ends: 444 [2025-02-08 09:47:20,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:47:20,416 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 142 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:20,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 265 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-02-08 09:47:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 429. [2025-02-08 09:47:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 376 states have (on average 1.372340425531915) internal successors, (516), 411 states have internal predecessors, (516), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 546 transitions. [2025-02-08 09:47:20,429 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 546 transitions. Word has length 49 [2025-02-08 09:47:20,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:20,429 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 546 transitions. [2025-02-08 09:47:20,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 546 transitions. [2025-02-08 09:47:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:47:20,430 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:20,430 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:20,436 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 [2025-02-08 09:47:20,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:20,634 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:20,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:20,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1589751946, now seen corresponding path program 1 times [2025-02-08 09:47:20,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:20,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220887896] [2025-02-08 09:47:20,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:20,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:47:20,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:47:20,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:20,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:20,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118107424] [2025-02-08 09:47:20,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:20,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:20,646 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:20,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:47:20,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:47:20,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:47:20,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:20,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:20,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:47:20,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:20,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:21,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220887896] [2025-02-08 09:47:21,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118107424] [2025-02-08 09:47:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118107424] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:47:21,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:47:21,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2025-02-08 09:47:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305120312] [2025-02-08 09:47:21,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:21,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:47:21,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:21,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:47:21,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:47:21,007 INFO L87 Difference]: Start difference. First operand 429 states and 546 transitions. Second operand has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:47:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:21,403 INFO L93 Difference]: Finished difference Result 525 states and 690 transitions. [2025-02-08 09:47:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:47:21,403 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 50 [2025-02-08 09:47:21,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:21,404 INFO L225 Difference]: With dead ends: 525 [2025-02-08 09:47:21,405 INFO L226 Difference]: Without dead ends: 504 [2025-02-08 09:47:21,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:47:21,405 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 255 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:21,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 144 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:21,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2025-02-08 09:47:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 404. [2025-02-08 09:47:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 361 states have (on average 1.3185595567867037) internal successors, (476), 387 states have internal predecessors, (476), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:47:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 504 transitions. [2025-02-08 09:47:21,418 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 504 transitions. Word has length 50 [2025-02-08 09:47:21,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:21,418 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 504 transitions. [2025-02-08 09:47:21,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:47:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 504 transitions. [2025-02-08 09:47:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:47:21,419 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:21,419 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] [2025-02-08 09:47:21,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:47:21,619 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,SelfDestructingSolverStorable33 [2025-02-08 09:47:21,619 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:21,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:21,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1256739252, now seen corresponding path program 1 times [2025-02-08 09:47:21,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:21,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622521603] [2025-02-08 09:47:21,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:21,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:21,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:21,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:21,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:21,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:21,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329333184] [2025-02-08 09:47:21,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:21,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:21,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:21,634 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:21,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:47:21,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:21,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:21,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:21,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:21,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:21,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:21,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:22,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:22,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622521603] [2025-02-08 09:47:22,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:22,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329333184] [2025-02-08 09:47:22,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329333184] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:22,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:22,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:22,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540376156] [2025-02-08 09:47:22,013 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:22,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:22,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:22,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:22,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:47:22,013 INFO L87 Difference]: Start difference. First operand 404 states and 504 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:22,259 INFO L93 Difference]: Finished difference Result 459 states and 579 transitions. [2025-02-08 09:47:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:22,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2025-02-08 09:47:22,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:22,261 INFO L225 Difference]: With dead ends: 459 [2025-02-08 09:47:22,261 INFO L226 Difference]: Without dead ends: 454 [2025-02-08 09:47:22,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:22,261 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 113 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:22,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 60 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-08 09:47:22,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 320. [2025-02-08 09:47:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 285 states have (on average 1.249122807017544) internal successors, (356), 306 states have internal predecessors, (356), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:47:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 378 transitions. [2025-02-08 09:47:22,271 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 378 transitions. Word has length 52 [2025-02-08 09:47:22,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:22,271 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 378 transitions. [2025-02-08 09:47:22,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 378 transitions. [2025-02-08 09:47:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:47:22,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:22,272 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:22,278 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 [2025-02-08 09:47:22,472 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,SelfDestructingSolverStorable34 [2025-02-08 09:47:22,473 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:22,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:22,473 INFO L85 PathProgramCache]: Analyzing trace with hash 840612850, now seen corresponding path program 1 times [2025-02-08 09:47:22,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:22,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676756059] [2025-02-08 09:47:22,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:22,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:22,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:47:22,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:47:22,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:22,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441816960] [2025-02-08 09:47:22,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:22,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:22,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:22,494 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:22,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:47:22,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:47:22,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:47:22,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:22,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:22,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:47:22,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:22,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:28,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676756059] [2025-02-08 09:47:28,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441816960] [2025-02-08 09:47:28,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441816960] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:28,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352624423] [2025-02-08 09:47:28,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:28,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:28,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:28,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:28,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=201, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:47:28,623 INFO L87 Difference]: Start difference. First operand 320 states and 378 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:29,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:29,106 INFO L93 Difference]: Finished difference Result 377 states and 448 transitions. [2025-02-08 09:47:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:47:29,106 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2025-02-08 09:47:29,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:29,107 INFO L225 Difference]: With dead ends: 377 [2025-02-08 09:47:29,107 INFO L226 Difference]: Without dead ends: 374 [2025-02-08 09:47:29,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=175, Invalid=376, Unknown=1, NotChecked=0, Total=552 [2025-02-08 09:47:29,108 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 289 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:29,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 194 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-08 09:47:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 345. [2025-02-08 09:47:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 309 states have (on average 1.2459546925566343) internal successors, (385), 330 states have internal predecessors, (385), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 409 transitions. [2025-02-08 09:47:29,119 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 409 transitions. Word has length 54 [2025-02-08 09:47:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 409 transitions. [2025-02-08 09:47:29,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 409 transitions. [2025-02-08 09:47:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:47:29,120 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:29,120 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:29,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:47:29,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:47:29,321 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:29,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:29,321 INFO L85 PathProgramCache]: Analyzing trace with hash 289194628, now seen corresponding path program 1 times [2025-02-08 09:47:29,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:29,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756970519] [2025-02-08 09:47:29,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:29,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:47:29,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:47:29,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:29,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:29,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738710338] [2025-02-08 09:47:29,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:29,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:29,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:29,334 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:29,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:47:29,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:47:29,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:47:29,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:29,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:29,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:47:29,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:29,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:29,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:29,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756970519] [2025-02-08 09:47:29,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:29,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738710338] [2025-02-08 09:47:29,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738710338] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:29,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:29,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:47:30,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991834950] [2025-02-08 09:47:30,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:30,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:47:30,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:30,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:47:30,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:30,001 INFO L87 Difference]: Start difference. First operand 345 states and 409 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:30,731 INFO L93 Difference]: Finished difference Result 368 states and 436 transitions. [2025-02-08 09:47:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:47:30,732 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-02-08 09:47:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:30,733 INFO L225 Difference]: With dead ends: 368 [2025-02-08 09:47:30,733 INFO L226 Difference]: Without dead ends: 367 [2025-02-08 09:47:30,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:47:30,734 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 168 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:30,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 189 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:47:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-02-08 09:47:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 352. [2025-02-08 09:47:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 316 states have (on average 1.240506329113924) internal successors, (392), 337 states have internal predecessors, (392), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 416 transitions. [2025-02-08 09:47:30,747 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 416 transitions. Word has length 55 [2025-02-08 09:47:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:30,747 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 416 transitions. [2025-02-08 09:47:30,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 416 transitions. [2025-02-08 09:47:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:47:30,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:30,751 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:30,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:30,952 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,SelfDestructingSolverStorable36 [2025-02-08 09:47:30,952 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:30,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1607678744, now seen corresponding path program 1 times [2025-02-08 09:47:30,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:30,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731870444] [2025-02-08 09:47:30,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:30,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:47:30,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:47:30,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:30,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:30,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418119363] [2025-02-08 09:47:30,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:30,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:30,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:30,969 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:30,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:47:30,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:47:31,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:47:31,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:31,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:31,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-08 09:47:31,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:47:39,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:50,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731870444] [2025-02-08 09:47:50,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:50,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418119363] [2025-02-08 09:47:50,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418119363] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:50,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:50,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-02-08 09:47:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053464318] [2025-02-08 09:47:50,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:50,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:47:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:50,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:47:50,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=567, Unknown=1, NotChecked=0, Total=702 [2025-02-08 09:47:50,889 INFO L87 Difference]: Start difference. First operand 352 states and 416 transitions. Second operand has 18 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:47:55,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:59,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:48:03,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:48:07,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:48:11,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:48:15,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]