./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:50:53,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:50:53,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:50:53,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:50:53,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:50:53,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:50:53,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:50:53,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:50:53,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:50:53,721 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:50:53,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:50:53,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:50:53,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:50:53,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:50:53,723 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:50:53,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:50:53,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:50:53,725 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:50:53,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:50:53,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:50:53,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:50:53,726 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 -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2025-02-06 13:50:53,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:50:54,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:50:54,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:50:54,005 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:50:54,005 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:50:54,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2025-02-06 13:50:55,255 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b856c6b49/b56d8cb411fd4a96a5b766f2dc9098ca/FLAG621ed33b0 [2025-02-06 13:50:55,531 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:50:55,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2025-02-06 13:50:55,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b856c6b49/b56d8cb411fd4a96a5b766f2dc9098ca/FLAG621ed33b0 [2025-02-06 13:50:55,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b856c6b49/b56d8cb411fd4a96a5b766f2dc9098ca [2025-02-06 13:50:55,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:50:55,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:50:55,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:50:55,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:50:55,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:50:55,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:50:55" (1/1) ... [2025-02-06 13:50:55,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0647f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:55, skipping insertion in model container [2025-02-06 13:50:55,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:50:55" (1/1) ... [2025-02-06 13:50:55,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:50:55,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:50:56,010 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:50:56,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:50:56,048 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:50:56,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56 WrapperNode [2025-02-06 13:50:56,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:50:56,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:50:56,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:50:56,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:50:56,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,083 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2025-02-06 13:50:56,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:50:56,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:50:56,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:50:56,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:50:56,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,114 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 13:50:56,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:50:56,131 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:50:56,131 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:50:56,131 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:50:56,132 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (1/1) ... [2025-02-06 13:50:56,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:50:56,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:56,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:50:56,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:50:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:50:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:50:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:50:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:50:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:50:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:50:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:50:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:50:56,246 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:50:56,247 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:50:56,599 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-02-06 13:50:56,599 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:50:56,614 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:50:56,616 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:50:56,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:50:56 BoogieIcfgContainer [2025-02-06 13:50:56,616 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:50:56,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:50:56,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:50:56,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:50:56,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:50:55" (1/3) ... [2025-02-06 13:50:56,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab300c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:50:56, skipping insertion in model container [2025-02-06 13:50:56,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:50:56" (2/3) ... [2025-02-06 13:50:56,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab300c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:50:56, skipping insertion in model container [2025-02-06 13:50:56,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:50:56" (3/3) ... [2025-02-06 13:50:56,628 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound100.c [2025-02-06 13:50:56,642 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:50:56,643 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_valuebound100.c that has 3 procedures, 141 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2025-02-06 13:50:56,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:50:56,712 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;@3c297349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:50:56,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-02-06 13:50:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 76 states have (on average 1.8289473684210527) internal successors, (139), 134 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:50:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 13:50:56,721 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:56,721 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:56,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:56,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:56,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1576519552, now seen corresponding path program 1 times [2025-02-06 13:50:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032582466] [2025-02-06 13:50:56,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:56,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:56,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:50:56,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:50:56,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:56,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:50:56,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:56,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032582466] [2025-02-06 13:50:56,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032582466] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:50:56,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718128914] [2025-02-06 13:50:56,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:56,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:56,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:56,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:56,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:50:56,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:50:56,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:50:56,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:56,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:56,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:50:56,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:50:56,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:56,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718128914] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:56,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:50:56,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:50:56,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964801843] [2025-02-06 13:50:56,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:56,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:50:56,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:56,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:50:56,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:50:56,919 INFO L87 Difference]: Start difference. First operand has 141 states, 76 states have (on average 1.8289473684210527) internal successors, (139), 134 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:56,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:56,946 INFO L93 Difference]: Finished difference Result 278 states and 293 transitions. [2025-02-06 13:50:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:50:56,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-06 13:50:56,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:56,956 INFO L225 Difference]: With dead ends: 278 [2025-02-06 13:50:56,956 INFO L226 Difference]: Without dead ends: 134 [2025-02-06 13:50:56,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:50:56,964 INFO L435 NwaCegarLoop]: 143 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, 143 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:56,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:50:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-06 13:50:57,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-06 13:50:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 128 states have internal predecessors, (130), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:50:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2025-02-06 13:50:57,012 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 14 [2025-02-06 13:50:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:57,012 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2025-02-06 13:50:57,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2025-02-06 13:50:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 13:50:57,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:57,015 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:57,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 13:50:57,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:50:57,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:57,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:57,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1773003266, now seen corresponding path program 1 times [2025-02-06 13:50:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:57,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124570996] [2025-02-06 13:50:57,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:57,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:57,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:50:57,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:50:57,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:57,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:57,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124570996] [2025-02-06 13:50:57,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124570996] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:57,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:57,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:50:57,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221417716] [2025-02-06 13:50:57,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:57,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:50:57,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:57,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:50:57,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:57,277 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:57,417 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2025-02-06 13:50:57,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:50:57,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-06 13:50:57,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:57,419 INFO L225 Difference]: With dead ends: 134 [2025-02-06 13:50:57,419 INFO L226 Difference]: Without dead ends: 130 [2025-02-06 13:50:57,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:57,420 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:57,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 84 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:50:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-06 13:50:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-02-06 13:50:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 71 states have (on average 1.7746478873239437) internal successors, (126), 124 states have internal predecessors, (126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:50:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2025-02-06 13:50:57,436 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 14 [2025-02-06 13:50:57,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:57,437 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2025-02-06 13:50:57,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2025-02-06 13:50:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:50:57,438 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:57,438 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:57,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:50:57,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash 871473696, now seen corresponding path program 1 times [2025-02-06 13:50:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682693019] [2025-02-06 13:50:57,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:57,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:50:57,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:50:57,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:57,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682693019] [2025-02-06 13:50:57,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682693019] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:57,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:50:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057524685] [2025-02-06 13:50:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:50:57,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:57,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:50:57,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:57,521 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:57,615 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2025-02-06 13:50:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:50:57,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-02-06 13:50:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:57,616 INFO L225 Difference]: With dead ends: 130 [2025-02-06 13:50:57,617 INFO L226 Difference]: Without dead ends: 126 [2025-02-06 13:50:57,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:57,618 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 88 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:57,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 84 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:50:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-02-06 13:50:57,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-02-06 13:50:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 120 states have internal predecessors, (122), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:50:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2025-02-06 13:50:57,633 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 15 [2025-02-06 13:50:57,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:57,634 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2025-02-06 13:50:57,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2025-02-06 13:50:57,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:50:57,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:57,634 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:57,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:50:57,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:57,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1245880892, now seen corresponding path program 1 times [2025-02-06 13:50:57,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:57,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067021482] [2025-02-06 13:50:57,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:57,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:57,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:50:57,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:50:57,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:57,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:57,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067021482] [2025-02-06 13:50:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067021482] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:57,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:50:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779059905] [2025-02-06 13:50:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:57,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:57,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:57,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:57,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:50:57,706 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:57,893 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2025-02-06 13:50:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:50:57,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-02-06 13:50:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:57,895 INFO L225 Difference]: With dead ends: 126 [2025-02-06 13:50:57,895 INFO L226 Difference]: Without dead ends: 123 [2025-02-06 13:50:57,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:57,896 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 171 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:57,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 79 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:50:57,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-06 13:50:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-02-06 13:50:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.676056338028169) internal successors, (119), 117 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:50:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-02-06 13:50:57,904 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 16 [2025-02-06 13:50:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:57,904 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-02-06 13:50:57,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-02-06 13:50:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:50:57,905 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:57,905 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:57,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:50:57,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash -32397922, now seen corresponding path program 1 times [2025-02-06 13:50:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923054332] [2025-02-06 13:50:57,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:57,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:50:57,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:50:57,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:57,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:57,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:57,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923054332] [2025-02-06 13:50:57,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923054332] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:57,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:57,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:50:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368528854] [2025-02-06 13:50:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:57,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:57,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:57,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:50:57,995 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:58,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:58,188 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-02-06 13:50:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:50:58,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2025-02-06 13:50:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:58,190 INFO L225 Difference]: With dead ends: 123 [2025-02-06 13:50:58,190 INFO L226 Difference]: Without dead ends: 120 [2025-02-06 13:50:58,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:58,190 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 170 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:58,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 79 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:50:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-06 13:50:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-06 13:50:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 71 states have (on average 1.6338028169014085) internal successors, (116), 114 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:50:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2025-02-06 13:50:58,206 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 17 [2025-02-06 13:50:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:58,207 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2025-02-06 13:50:58,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2025-02-06 13:50:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:50:58,207 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:58,208 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:58,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:50:58,208 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:58,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:58,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1069629156, now seen corresponding path program 1 times [2025-02-06 13:50:58,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:58,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720033009] [2025-02-06 13:50:58,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:58,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:50:58,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:50:58,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825642181] [2025-02-06 13:50:58,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:58,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:58,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:50:58,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:50:58,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:50:58,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:58,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:50:58,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:58,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:58,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:58,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720033009] [2025-02-06 13:50:58,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825642181] [2025-02-06 13:50:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825642181] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:58,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:50:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901519301] [2025-02-06 13:50:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:58,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:50:58,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:58,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:50:58,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:58,287 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:58,349 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2025-02-06 13:50:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:50:58,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 13:50:58,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:58,350 INFO L225 Difference]: With dead ends: 185 [2025-02-06 13:50:58,350 INFO L226 Difference]: Without dead ends: 179 [2025-02-06 13:50:58,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:58,351 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 57 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:58,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:50:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-02-06 13:50:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 145. [2025-02-06 13:50:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.631578947368421) internal successors, (155), 138 states have internal predecessors, (155), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:50:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 163 transitions. [2025-02-06 13:50:58,367 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 163 transitions. Word has length 19 [2025-02-06 13:50:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:58,368 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 163 transitions. [2025-02-06 13:50:58,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 163 transitions. [2025-02-06 13:50:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 13:50:58,369 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:58,369 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:58,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:50:58,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:58,571 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:58,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1416432486, now seen corresponding path program 1 times [2025-02-06 13:50:58,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:58,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814631253] [2025-02-06 13:50:58,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:58,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:50:58,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:50:58,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:58,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856728514] [2025-02-06 13:50:58,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:58,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:58,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:58,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:50:58,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:50:58,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:50:58,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:58,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:50:58,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:58,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814631253] [2025-02-06 13:50:58,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:58,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856728514] [2025-02-06 13:50:58,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856728514] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:58,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:58,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:50:58,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330566749] [2025-02-06 13:50:58,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:58,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:50:58,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:58,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:50:58,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:58,643 INFO L87 Difference]: Start difference. First operand 145 states and 163 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:58,705 INFO L93 Difference]: Finished difference Result 242 states and 264 transitions. [2025-02-06 13:50:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:50:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-02-06 13:50:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:58,706 INFO L225 Difference]: With dead ends: 242 [2025-02-06 13:50:58,707 INFO L226 Difference]: Without dead ends: 236 [2025-02-06 13:50:58,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:50:58,708 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 87 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:58,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:50:58,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-02-06 13:50:58,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 194. [2025-02-06 13:50:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6433566433566433) internal successors, (235), 186 states have internal predecessors, (235), 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) [2025-02-06 13:50:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 245 transitions. [2025-02-06 13:50:58,724 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 245 transitions. Word has length 21 [2025-02-06 13:50:58,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:58,724 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 245 transitions. [2025-02-06 13:50:58,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:58,725 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 245 transitions. [2025-02-06 13:50:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 13:50:58,725 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:58,725 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:58,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:50:58,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:58,926 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:58,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:58,926 INFO L85 PathProgramCache]: Analyzing trace with hash 313016344, now seen corresponding path program 1 times [2025-02-06 13:50:58,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:58,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892886725] [2025-02-06 13:50:58,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:58,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 13:50:58,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 13:50:58,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480503137] [2025-02-06 13:50:58,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:58,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:58,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:58,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:50:58,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 13:50:58,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 13:50:58,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:58,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:58,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:50:58,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:59,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:59,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:59,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892886725] [2025-02-06 13:50:59,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:59,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480503137] [2025-02-06 13:50:59,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480503137] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:59,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:59,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:50:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21860224] [2025-02-06 13:50:59,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:59,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:59,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:59,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:59,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:50:59,023 INFO L87 Difference]: Start difference. First operand 194 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:59,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:59,201 INFO L93 Difference]: Finished difference Result 262 states and 316 transitions. [2025-02-06 13:50:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:50:59,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-02-06 13:50:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:59,203 INFO L225 Difference]: With dead ends: 262 [2025-02-06 13:50:59,203 INFO L226 Difference]: Without dead ends: 260 [2025-02-06 13:50:59,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:59,204 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 122 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:59,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 232 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:50:59,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-02-06 13:50:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 195. [2025-02-06 13:50:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6319444444444444) internal successors, (235), 187 states have internal predecessors, (235), 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) [2025-02-06 13:50:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2025-02-06 13:50:59,218 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 23 [2025-02-06 13:50:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:59,218 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2025-02-06 13:50:59,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2025-02-06 13:50:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 13:50:59,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:59,219 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:59,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:50:59,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-06 13:50:59,419 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:59,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1113572148, now seen corresponding path program 1 times [2025-02-06 13:50:59,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:59,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248563080] [2025-02-06 13:50:59,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:59,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 13:50:59,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 13:50:59,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:59,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:59,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645626295] [2025-02-06 13:50:59,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:59,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:59,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:59,436 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:59,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:50:59,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 13:50:59,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 13:50:59,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:59,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:59,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:50:59,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:59,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:59,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248563080] [2025-02-06 13:50:59,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:59,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645626295] [2025-02-06 13:50:59,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645626295] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:59,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:59,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:50:59,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98891038] [2025-02-06 13:50:59,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:59,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:59,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:59,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:59,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:50:59,504 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:59,678 INFO L93 Difference]: Finished difference Result 261 states and 314 transitions. [2025-02-06 13:50:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:50:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-02-06 13:50:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:59,680 INFO L225 Difference]: With dead ends: 261 [2025-02-06 13:50:59,680 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 13:50:59,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:59,681 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 120 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:59,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 235 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:50:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 13:50:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 196. [2025-02-06 13:50:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6206896551724137) internal successors, (235), 188 states have internal predecessors, (235), 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) [2025-02-06 13:50:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 245 transitions. [2025-02-06 13:50:59,694 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 245 transitions. Word has length 24 [2025-02-06 13:50:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:59,695 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 245 transitions. [2025-02-06 13:50:59,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:50:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 245 transitions. [2025-02-06 13:50:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 13:50:59,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:59,696 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:59,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:50:59,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:59,897 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:50:59,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash 160998294, now seen corresponding path program 1 times [2025-02-06 13:50:59,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:59,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631891258] [2025-02-06 13:50:59,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:59,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:59,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:50:59,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:50:59,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:59,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:59,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706262964] [2025-02-06 13:50:59,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:59,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:59,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:59,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:59,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:50:59,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:50:59,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:50:59,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:59,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:59,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:50:59,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:59,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:59,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:59,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631891258] [2025-02-06 13:50:59,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:59,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706262964] [2025-02-06 13:50:59,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706262964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:59,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:50:59,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:50:59,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978855823] [2025-02-06 13:50:59,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:59,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:59,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:59,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:59,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:50:59,975 INFO L87 Difference]: Start difference. First operand 196 states and 245 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:00,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:00,130 INFO L93 Difference]: Finished difference Result 256 states and 274 transitions. [2025-02-06 13:51:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:51:00,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-02-06 13:51:00,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:00,131 INFO L225 Difference]: With dead ends: 256 [2025-02-06 13:51:00,132 INFO L226 Difference]: Without dead ends: 254 [2025-02-06 13:51:00,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:00,132 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:00,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 259 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:00,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-06 13:51:00,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 196. [2025-02-06 13:51:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6) internal successors, (232), 188 states have internal predecessors, (232), 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) [2025-02-06 13:51:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2025-02-06 13:51:00,141 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 25 [2025-02-06 13:51:00,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:00,141 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2025-02-06 13:51:00,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2025-02-06 13:51:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:51:00,142 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:00,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:00,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:00,346 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,SelfDestructingSolverStorable9 [2025-02-06 13:51:00,346 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:00,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:00,347 INFO L85 PathProgramCache]: Analyzing trace with hash 695979890, now seen corresponding path program 1 times [2025-02-06 13:51:00,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:00,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049234419] [2025-02-06 13:51:00,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:00,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:51:00,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:51:00,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:00,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:00,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984648120] [2025-02-06 13:51:00,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:00,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:00,371 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:00,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:51:00,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:51:00,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:51:00,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:00,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:00,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:51:00,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:00,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:00,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:00,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049234419] [2025-02-06 13:51:00,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:00,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984648120] [2025-02-06 13:51:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984648120] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:00,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:00,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437946371] [2025-02-06 13:51:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:00,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:00,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:00,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:00,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:00,426 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:00,569 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2025-02-06 13:51:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:51:00,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-06 13:51:00,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:00,571 INFO L225 Difference]: With dead ends: 254 [2025-02-06 13:51:00,571 INFO L226 Difference]: Without dead ends: 252 [2025-02-06 13:51:00,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:00,572 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 165 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:00,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 261 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-02-06 13:51:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 196. [2025-02-06 13:51:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5793103448275863) internal successors, (229), 188 states have internal predecessors, (229), 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) [2025-02-06 13:51:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions. [2025-02-06 13:51:00,582 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 26 [2025-02-06 13:51:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:00,582 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions. [2025-02-06 13:51:00,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions. [2025-02-06 13:51:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:51:00,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:00,584 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:00,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:00,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:00,785 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:00,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:00,785 INFO L85 PathProgramCache]: Analyzing trace with hash 100540180, now seen corresponding path program 1 times [2025-02-06 13:51:00,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:00,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335275948] [2025-02-06 13:51:00,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:00,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:51:00,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:51:00,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:00,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:00,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944847873] [2025-02-06 13:51:00,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:00,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:00,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:00,806 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:00,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:51:00,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:51:00,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:51:00,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:00,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:00,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:00,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:00,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:00,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:00,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335275948] [2025-02-06 13:51:00,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:00,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944847873] [2025-02-06 13:51:00,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944847873] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:00,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:00,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:51:00,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598095305] [2025-02-06 13:51:00,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:00,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:00,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:00,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:00,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:00,879 INFO L87 Difference]: Start difference. First operand 196 states and 239 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:01,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:01,038 INFO L93 Difference]: Finished difference Result 256 states and 304 transitions. [2025-02-06 13:51:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:51:01,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-06 13:51:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:01,040 INFO L225 Difference]: With dead ends: 256 [2025-02-06 13:51:01,040 INFO L226 Difference]: Without dead ends: 254 [2025-02-06 13:51:01,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:01,041 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 170 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:01,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 235 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:01,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-06 13:51:01,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 199. [2025-02-06 13:51:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 191 states have internal predecessors, (231), 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) [2025-02-06 13:51:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 241 transitions. [2025-02-06 13:51:01,048 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 241 transitions. Word has length 27 [2025-02-06 13:51:01,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:01,048 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 241 transitions. [2025-02-06 13:51:01,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 241 transitions. [2025-02-06 13:51:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:51:01,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:01,049 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:01,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:01,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:01,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:01,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:01,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1178221648, now seen corresponding path program 1 times [2025-02-06 13:51:01,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:01,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517090771] [2025-02-06 13:51:01,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:01,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:01,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:51:01,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:51:01,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:01,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:01,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195283945] [2025-02-06 13:51:01,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:01,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:01,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:01,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:51:01,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:51:01,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:51:01,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:01,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:01,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:01,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:01,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:01,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:01,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517090771] [2025-02-06 13:51:01,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:01,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195283945] [2025-02-06 13:51:01,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195283945] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:01,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:01,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:51:01,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000311225] [2025-02-06 13:51:01,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:01,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:01,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:01,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:01,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:01,334 INFO L87 Difference]: Start difference. First operand 199 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:01,534 INFO L93 Difference]: Finished difference Result 255 states and 270 transitions. [2025-02-06 13:51:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:51:01,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-06 13:51:01,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:01,535 INFO L225 Difference]: With dead ends: 255 [2025-02-06 13:51:01,536 INFO L226 Difference]: Without dead ends: 253 [2025-02-06 13:51:01,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:01,536 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 160 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:01,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 324 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:01,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-02-06 13:51:01,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 199. [2025-02-06 13:51:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5405405405405406) internal successors, (228), 191 states have internal predecessors, (228), 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) [2025-02-06 13:51:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2025-02-06 13:51:01,544 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 28 [2025-02-06 13:51:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:01,545 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2025-02-06 13:51:01,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2025-02-06 13:51:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:51:01,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:01,546 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:01,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:01,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:01,750 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:01,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:01,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2129834642, now seen corresponding path program 1 times [2025-02-06 13:51:01,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:01,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921000671] [2025-02-06 13:51:01,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:01,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:51:01,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:51:01,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:01,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:01,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575511033] [2025-02-06 13:51:01,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:01,764 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:01,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:51:01,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:51:01,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:51:01,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:01,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:01,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:51:01,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:01,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:01,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:01,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921000671] [2025-02-06 13:51:01,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:01,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575511033] [2025-02-06 13:51:01,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575511033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:01,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:01,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:51:01,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284633436] [2025-02-06 13:51:01,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:01,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:01,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:01,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:01,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:51:01,927 INFO L87 Difference]: Start difference. First operand 199 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:02,203 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2025-02-06 13:51:02,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:02,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-02-06 13:51:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:02,205 INFO L225 Difference]: With dead ends: 251 [2025-02-06 13:51:02,205 INFO L226 Difference]: Without dead ends: 249 [2025-02-06 13:51:02,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:51:02,206 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 246 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:02,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 217 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:02,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-06 13:51:02,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2025-02-06 13:51:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 193 states have internal predecessors, (229), 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) [2025-02-06 13:51:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 239 transitions. [2025-02-06 13:51:02,214 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 239 transitions. Word has length 29 [2025-02-06 13:51:02,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:02,214 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 239 transitions. [2025-02-06 13:51:02,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 239 transitions. [2025-02-06 13:51:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:51:02,215 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:02,215 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:02,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:51:02,419 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,SelfDestructingSolverStorable13 [2025-02-06 13:51:02,419 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:02,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1600364526, now seen corresponding path program 1 times [2025-02-06 13:51:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:02,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723543142] [2025-02-06 13:51:02,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:02,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:51:02,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:51:02,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:02,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:02,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:02,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723543142] [2025-02-06 13:51:02,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723543142] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:02,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73495892] [2025-02-06 13:51:02,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:02,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:02,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:02,582 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:02,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 13:51:02,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:51:02,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:51:02,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:02,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:02,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:51:02,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:02,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:02,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73495892] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:02,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:02,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-02-06 13:51:02,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573070317] [2025-02-06 13:51:02,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:02,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:02,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:02,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:02,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:02,741 INFO L87 Difference]: Start difference. First operand 201 states and 239 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:03,020 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2025-02-06 13:51:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:03,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-06 13:51:03,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:03,022 INFO L225 Difference]: With dead ends: 251 [2025-02-06 13:51:03,022 INFO L226 Difference]: Without dead ends: 249 [2025-02-06 13:51:03,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:51:03,023 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:03,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 207 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:03,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-06 13:51:03,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2025-02-06 13:51:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 151 states have (on average 1.5165562913907285) internal successors, (229), 194 states have internal predecessors, (229), 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) [2025-02-06 13:51:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions. [2025-02-06 13:51:03,030 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 30 [2025-02-06 13:51:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:03,031 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions. [2025-02-06 13:51:03,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions. [2025-02-06 13:51:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:51:03,032 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:03,032 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:03,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 13:51:03,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 13:51:03,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:03,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:03,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1972297330, now seen corresponding path program 1 times [2025-02-06 13:51:03,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:03,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484474929] [2025-02-06 13:51:03,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:03,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:03,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:51:03,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:51:03,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:03,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:03,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484474929] [2025-02-06 13:51:03,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484474929] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:03,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:03,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:51:03,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995952131] [2025-02-06 13:51:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:03,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:03,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:03,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:03,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:51:03,369 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:03,556 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2025-02-06 13:51:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:51:03,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2025-02-06 13:51:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:03,558 INFO L225 Difference]: With dead ends: 202 [2025-02-06 13:51:03,558 INFO L226 Difference]: Without dead ends: 200 [2025-02-06 13:51:03,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:51:03,558 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 114 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:03,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 198 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-02-06 13:51:03,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2025-02-06 13:51:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 151 states have (on average 1.4834437086092715) internal successors, (224), 192 states have internal predecessors, (224), 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) [2025-02-06 13:51:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2025-02-06 13:51:03,566 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 33 [2025-02-06 13:51:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:03,566 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2025-02-06 13:51:03,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2025-02-06 13:51:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:51:03,566 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:03,567 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:03,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 13:51:03,567 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:03,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1011675030, now seen corresponding path program 1 times [2025-02-06 13:51:03,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:03,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102583246] [2025-02-06 13:51:03,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:03,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:03,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:51:03,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:51:03,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:03,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:03,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566814395] [2025-02-06 13:51:03,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:03,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:03,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:03,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:03,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 13:51:03,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:51:03,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:51:03,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:03,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:03,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:51:03,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:03,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:03,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:03,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102583246] [2025-02-06 13:51:03,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:03,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566814395] [2025-02-06 13:51:03,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566814395] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:03,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:03,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:51:03,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825721575] [2025-02-06 13:51:03,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:03,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:51:03,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:03,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:51:03,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:03,797 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:51:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:04,126 INFO L93 Difference]: Finished difference Result 243 states and 288 transitions. [2025-02-06 13:51:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:51:04,126 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2025-02-06 13:51:04,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:04,128 INFO L225 Difference]: With dead ends: 243 [2025-02-06 13:51:04,128 INFO L226 Difference]: Without dead ends: 241 [2025-02-06 13:51:04,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:04,129 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 372 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:04,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 119 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:51:04,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-02-06 13:51:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 204. [2025-02-06 13:51:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 196 states have internal predecessors, (227), 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) [2025-02-06 13:51:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 237 transitions. [2025-02-06 13:51:04,140 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 237 transitions. Word has length 34 [2025-02-06 13:51:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:04,140 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 237 transitions. [2025-02-06 13:51:04,140 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:51:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 237 transitions. [2025-02-06 13:51:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:51:04,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:04,141 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:04,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:04,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 13:51:04,345 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:04,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:04,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1297154804, now seen corresponding path program 1 times [2025-02-06 13:51:04,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:04,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698859910] [2025-02-06 13:51:04,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:04,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:51:04,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:51:04,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:04,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:04,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:04,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698859910] [2025-02-06 13:51:04,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698859910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:04,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:04,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:04,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706175442] [2025-02-06 13:51:04,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:04,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:04,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:04,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:04,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:04,391 INFO L87 Difference]: Start difference. First operand 204 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:04,626 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2025-02-06 13:51:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:51:04,627 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2025-02-06 13:51:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:04,628 INFO L225 Difference]: With dead ends: 223 [2025-02-06 13:51:04,629 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:51:04,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:04,629 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:04,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 149 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:04,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:51:04,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2025-02-06 13:51:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.455128205128205) internal successors, (227), 197 states have internal predecessors, (227), 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) [2025-02-06 13:51:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 237 transitions. [2025-02-06 13:51:04,640 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 237 transitions. Word has length 35 [2025-02-06 13:51:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:04,640 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 237 transitions. [2025-02-06 13:51:04,640 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 237 transitions. [2025-02-06 13:51:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-06 13:51:04,640 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:04,640 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:04,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 13:51:04,640 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:04,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:04,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1557093208, now seen corresponding path program 1 times [2025-02-06 13:51:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287236302] [2025-02-06 13:51:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:04,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 13:51:04,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 13:51:04,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:04,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:04,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:04,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287236302] [2025-02-06 13:51:04,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287236302] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:04,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:04,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:04,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151175095] [2025-02-06 13:51:04,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:04,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:04,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:04,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:04,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:04,684 INFO L87 Difference]: Start difference. First operand 205 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:04,909 INFO L93 Difference]: Finished difference Result 223 states and 260 transitions. [2025-02-06 13:51:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:51:04,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2025-02-06 13:51:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:04,910 INFO L225 Difference]: With dead ends: 223 [2025-02-06 13:51:04,910 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:51:04,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:04,911 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:04,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 162 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:51:04,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2025-02-06 13:51:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 157 states have (on average 1.4458598726114649) internal successors, (227), 198 states have internal predecessors, (227), 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) [2025-02-06 13:51:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 237 transitions. [2025-02-06 13:51:04,919 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 237 transitions. Word has length 36 [2025-02-06 13:51:04,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:04,919 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 237 transitions. [2025-02-06 13:51:04,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:51:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 237 transitions. [2025-02-06 13:51:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 13:51:04,919 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:04,919 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:04,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 13:51:04,920 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:04,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:04,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1572914959, now seen corresponding path program 1 times [2025-02-06 13:51:04,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:04,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136270193] [2025-02-06 13:51:04,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:04,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 13:51:04,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 13:51:04,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:04,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136270193] [2025-02-06 13:51:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136270193] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:04,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:04,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:51:04,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060598110] [2025-02-06 13:51:04,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:04,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:04,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:04,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:04,991 INFO L87 Difference]: Start difference. First operand 206 states and 237 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2025-02-06 13:51:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:05,163 INFO L93 Difference]: Finished difference Result 223 states and 258 transitions. [2025-02-06 13:51:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:51:05,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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 46 [2025-02-06 13:51:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:05,165 INFO L225 Difference]: With dead ends: 223 [2025-02-06 13:51:05,165 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:51:05,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:05,166 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 308 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:05,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 130 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:05,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:51:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2025-02-06 13:51:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.427710843373494) internal successors, (237), 207 states have internal predecessors, (237), 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) [2025-02-06 13:51:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 247 transitions. [2025-02-06 13:51:05,175 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 247 transitions. Word has length 46 [2025-02-06 13:51:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:05,175 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 247 transitions. [2025-02-06 13:51:05,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2025-02-06 13:51:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 247 transitions. [2025-02-06 13:51:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 13:51:05,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:05,176 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:05,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 13:51:05,177 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:05,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:05,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1515723496, now seen corresponding path program 1 times [2025-02-06 13:51:05,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:05,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197344531] [2025-02-06 13:51:05,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:05,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:51:05,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:51:05,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:05,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:05,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197344531] [2025-02-06 13:51:05,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197344531] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:05,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:05,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:05,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716843423] [2025-02-06 13:51:05,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:05,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:05,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:05,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:05,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:05,240 INFO L87 Difference]: Start difference. First operand 215 states and 247 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:05,329 INFO L93 Difference]: Finished difference Result 215 states and 247 transitions. [2025-02-06 13:51:05,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:51:05,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2025-02-06 13:51:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:05,330 INFO L225 Difference]: With dead ends: 215 [2025-02-06 13:51:05,330 INFO L226 Difference]: Without dead ends: 214 [2025-02-06 13:51:05,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:05,331 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:05,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 151 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:05,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-06 13:51:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-06 13:51:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4156626506024097) internal successors, (235), 206 states have internal predecessors, (235), 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) [2025-02-06 13:51:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2025-02-06 13:51:05,339 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 47 [2025-02-06 13:51:05,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:05,339 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2025-02-06 13:51:05,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2025-02-06 13:51:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 13:51:05,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:05,342 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:05,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 13:51:05,342 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:05,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:05,342 INFO L85 PathProgramCache]: Analyzing trace with hash 616367014, now seen corresponding path program 1 times [2025-02-06 13:51:05,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:05,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474201057] [2025-02-06 13:51:05,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:05,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 13:51:05,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 13:51:05,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:05,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:05,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474201057] [2025-02-06 13:51:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474201057] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:05,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:05,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:05,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954239924] [2025-02-06 13:51:05,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:05,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:05,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:05,398 INFO L87 Difference]: Start difference. First operand 214 states and 245 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:05,440 INFO L93 Difference]: Finished difference Result 229 states and 262 transitions. [2025-02-06 13:51:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:51:05,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-02-06 13:51:05,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:05,445 INFO L225 Difference]: With dead ends: 229 [2025-02-06 13:51:05,445 INFO L226 Difference]: Without dead ends: 227 [2025-02-06 13:51:05,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:05,446 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:05,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 313 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:51:05,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-02-06 13:51:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2025-02-06 13:51:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4090909090909092) internal successors, (248), 216 states have internal predecessors, (248), 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) [2025-02-06 13:51:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 258 transitions. [2025-02-06 13:51:05,454 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 258 transitions. Word has length 49 [2025-02-06 13:51:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:05,454 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 258 transitions. [2025-02-06 13:51:05,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 258 transitions. [2025-02-06 13:51:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 13:51:05,455 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:05,455 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:05,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 13:51:05,455 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:05,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1977205959, now seen corresponding path program 1 times [2025-02-06 13:51:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078815816] [2025-02-06 13:51:05,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:05,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 13:51:05,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 13:51:05,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:05,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078815816] [2025-02-06 13:51:05,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078815816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:05,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:05,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:51:05,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142946385] [2025-02-06 13:51:05,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:05,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:05,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:05,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:05,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:05,532 INFO L87 Difference]: Start difference. First operand 224 states and 258 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2025-02-06 13:51:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:05,719 INFO L93 Difference]: Finished difference Result 225 states and 258 transitions. [2025-02-06 13:51:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:51:05,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 49 [2025-02-06 13:51:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:05,720 INFO L225 Difference]: With dead ends: 225 [2025-02-06 13:51:05,720 INFO L226 Difference]: Without dead ends: 224 [2025-02-06 13:51:05,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:05,721 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 142 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:05,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 172 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-02-06 13:51:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2025-02-06 13:51:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4034090909090908) internal successors, (247), 216 states have internal predecessors, (247), 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) [2025-02-06 13:51:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 257 transitions. [2025-02-06 13:51:05,730 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 257 transitions. Word has length 49 [2025-02-06 13:51:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:05,730 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 257 transitions. [2025-02-06 13:51:05,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2025-02-06 13:51:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2025-02-06 13:51:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 13:51:05,731 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:05,731 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:05,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-06 13:51:05,732 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:05,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:05,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1163842618, now seen corresponding path program 1 times [2025-02-06 13:51:05,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:05,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178054288] [2025-02-06 13:51:05,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:05,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:51:05,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:51:05,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:05,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:05,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178054288] [2025-02-06 13:51:05,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178054288] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:05,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:05,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:05,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344094742] [2025-02-06 13:51:05,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:05,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:05,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:05,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:05,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:05,795 INFO L87 Difference]: Start difference. First operand 224 states and 257 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:05,840 INFO L93 Difference]: Finished difference Result 261 states and 272 transitions. [2025-02-06 13:51:05,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:51:05,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2025-02-06 13:51:05,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:05,841 INFO L225 Difference]: With dead ends: 261 [2025-02-06 13:51:05,841 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 13:51:05,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:05,842 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 56 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:05,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 310 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:51:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 13:51:05,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 232. [2025-02-06 13:51:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 224 states have internal predecessors, (255), 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) [2025-02-06 13:51:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 265 transitions. [2025-02-06 13:51:05,851 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 265 transitions. Word has length 50 [2025-02-06 13:51:05,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:05,852 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 265 transitions. [2025-02-06 13:51:05,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 265 transitions. [2025-02-06 13:51:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:51:05,852 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:05,852 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:05,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-06 13:51:05,853 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:05,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1204543786, now seen corresponding path program 1 times [2025-02-06 13:51:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:05,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306807171] [2025-02-06 13:51:05,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:05,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:51:05,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:51:05,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:05,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365735617] [2025-02-06 13:51:05,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:05,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:05,874 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:05,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 13:51:05,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:51:05,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:51:05,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:05,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:05,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:51:05,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:06,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:06,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:06,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306807171] [2025-02-06 13:51:06,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:06,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365735617] [2025-02-06 13:51:06,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365735617] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:06,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:06,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 13:51:06,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503582691] [2025-02-06 13:51:06,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:06,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:51:06,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:06,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:51:06,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:06,136 INFO L87 Difference]: Start difference. First operand 232 states and 265 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:06,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:06,344 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2025-02-06 13:51:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:06,344 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2025-02-06 13:51:06,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:06,345 INFO L225 Difference]: With dead ends: 232 [2025-02-06 13:51:06,345 INFO L226 Difference]: Without dead ends: 229 [2025-02-06 13:51:06,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:06,346 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 118 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:06,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 358 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:06,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-02-06 13:51:06,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-02-06 13:51:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 221 states have internal predecessors, (249), 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) [2025-02-06 13:51:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 259 transitions. [2025-02-06 13:51:06,354 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 259 transitions. Word has length 52 [2025-02-06 13:51:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:06,354 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 259 transitions. [2025-02-06 13:51:06,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 259 transitions. [2025-02-06 13:51:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 13:51:06,355 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:06,355 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:06,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 13:51:06,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:06,556 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1313848214, now seen corresponding path program 1 times [2025-02-06 13:51:06,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:06,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184561788] [2025-02-06 13:51:06,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:06,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:51:06,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:51:06,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:06,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:06,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977085100] [2025-02-06 13:51:06,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:06,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:06,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:06,570 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:06,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:51:06,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:51:06,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:51:06,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:06,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:06,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:51:06,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:06,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:07,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:07,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184561788] [2025-02-06 13:51:07,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:07,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977085100] [2025-02-06 13:51:07,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977085100] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:07,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:07,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:51:07,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064453486] [2025-02-06 13:51:07,314 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:07,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:51:07,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:07,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:51:07,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:51:07,316 INFO L87 Difference]: Start difference. First operand 229 states and 259 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:07,816 INFO L93 Difference]: Finished difference Result 282 states and 320 transitions. [2025-02-06 13:51:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:51:07,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 53 [2025-02-06 13:51:07,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:07,817 INFO L225 Difference]: With dead ends: 282 [2025-02-06 13:51:07,818 INFO L226 Difference]: Without dead ends: 256 [2025-02-06 13:51:07,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:51:07,818 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:07,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 407 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:51:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-02-06 13:51:07,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 236. [2025-02-06 13:51:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 190 states have (on average 1.3842105263157896) internal successors, (263), 227 states have internal predecessors, (263), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:51:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2025-02-06 13:51:07,830 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 53 [2025-02-06 13:51:07,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:07,830 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2025-02-06 13:51:07,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2025-02-06 13:51:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 13:51:07,830 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:07,830 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:07,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:51:08,035 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,SelfDestructingSolverStorable25 [2025-02-06 13:51:08,035 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:08,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash -815093466, now seen corresponding path program 1 times [2025-02-06 13:51:08,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:08,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181539388] [2025-02-06 13:51:08,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:08,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:08,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 13:51:08,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 13:51:08,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:08,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:08,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449464394] [2025-02-06 13:51:08,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:08,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:08,052 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:08,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 13:51:08,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 13:51:08,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 13:51:08,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:08,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:08,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:51:08,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:08,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:08,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:08,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181539388] [2025-02-06 13:51:08,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:08,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449464394] [2025-02-06 13:51:08,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449464394] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:08,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:08,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-06 13:51:08,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716339029] [2025-02-06 13:51:08,475 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:08,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:51:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:08,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:51:08,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:51:08,476 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 15 states, 14 states have (on average 6.428571428571429) internal successors, (90), 15 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 13:51:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:09,123 INFO L93 Difference]: Finished difference Result 358 states and 427 transitions. [2025-02-06 13:51:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 13:51:09,124 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.428571428571429) internal successors, (90), 15 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 56 [2025-02-06 13:51:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:09,125 INFO L225 Difference]: With dead ends: 358 [2025-02-06 13:51:09,125 INFO L226 Difference]: Without dead ends: 352 [2025-02-06 13:51:09,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2025-02-06 13:51:09,127 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 432 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:09,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 333 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-06 13:51:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 263. [2025-02-06 13:51:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 218 states have (on average 1.371559633027523) internal successors, (299), 253 states have internal predecessors, (299), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 13:51:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 313 transitions. [2025-02-06 13:51:09,139 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 313 transitions. Word has length 56 [2025-02-06 13:51:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:09,139 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 313 transitions. [2025-02-06 13:51:09,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.428571428571429) internal successors, (90), 15 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 13:51:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 313 transitions. [2025-02-06 13:51:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 13:51:09,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:09,141 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:09,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:09,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 13:51:09,345 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:09,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:09,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1910414773, now seen corresponding path program 1 times [2025-02-06 13:51:09,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:09,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890986023] [2025-02-06 13:51:09,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:09,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 13:51:09,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:51:09,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:09,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:09,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177913104] [2025-02-06 13:51:09,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:09,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:09,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:09,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:09,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 13:51:09,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 13:51:09,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:51:09,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:09,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:09,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:51:09,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:09,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:09,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:09,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890986023] [2025-02-06 13:51:09,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177913104] [2025-02-06 13:51:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177913104] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:09,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:09,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:51:09,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292586424] [2025-02-06 13:51:09,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:09,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:09,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:09,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:09,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:09,713 INFO L87 Difference]: Start difference. First operand 263 states and 313 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:09,958 INFO L93 Difference]: Finished difference Result 273 states and 316 transitions. [2025-02-06 13:51:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:09,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2025-02-06 13:51:09,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:09,960 INFO L225 Difference]: With dead ends: 273 [2025-02-06 13:51:09,960 INFO L226 Difference]: Without dead ends: 269 [2025-02-06 13:51:09,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:09,960 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 146 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:09,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 337 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:09,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-02-06 13:51:09,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 259. [2025-02-06 13:51:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 249 states have internal predecessors, (293), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 13:51:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 307 transitions. [2025-02-06 13:51:09,971 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 307 transitions. Word has length 58 [2025-02-06 13:51:09,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:09,971 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 307 transitions. [2025-02-06 13:51:09,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 307 transitions. [2025-02-06 13:51:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 13:51:09,972 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:09,972 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:09,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 13:51:10,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 13:51:10,173 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:10,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:10,173 INFO L85 PathProgramCache]: Analyzing trace with hash 906684261, now seen corresponding path program 1 times [2025-02-06 13:51:10,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:10,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688349202] [2025-02-06 13:51:10,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:10,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:10,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 13:51:10,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:51:10,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:10,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:10,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1862176129] [2025-02-06 13:51:10,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:10,187 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:10,190 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 [2025-02-06 13:51:10,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 13:51:10,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:51:10,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:10,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:10,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:51:10,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:10,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:10,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688349202] [2025-02-06 13:51:10,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862176129] [2025-02-06 13:51:10,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862176129] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:10,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:10,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:51:10,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684641929] [2025-02-06 13:51:10,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:10,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:51:10,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:10,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:51:10,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:51:10,814 INFO L87 Difference]: Start difference. First operand 259 states and 307 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:11,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:11,153 INFO L93 Difference]: Finished difference Result 342 states and 400 transitions. [2025-02-06 13:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:51:11,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2025-02-06 13:51:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:11,155 INFO L225 Difference]: With dead ends: 342 [2025-02-06 13:51:11,155 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 13:51:11,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:51:11,156 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 311 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:11,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 425 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:51:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 13:51:11,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 298. [2025-02-06 13:51:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 256 states have (on average 1.375) internal successors, (352), 287 states have internal predecessors, (352), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:51:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 368 transitions. [2025-02-06 13:51:11,181 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 368 transitions. Word has length 59 [2025-02-06 13:51:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:11,181 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 368 transitions. [2025-02-06 13:51:11,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 368 transitions. [2025-02-06 13:51:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 13:51:11,182 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:11,182 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:11,190 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 [2025-02-06 13:51:11,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 13:51:11,383 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:11,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:11,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1512657186, now seen corresponding path program 1 times [2025-02-06 13:51:11,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:11,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407750241] [2025-02-06 13:51:11,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:11,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:11,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 13:51:11,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 13:51:11,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:11,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:11,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033504031] [2025-02-06 13:51:11,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:11,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:11,404 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:11,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 13:51:11,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 13:51:11,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 13:51:11,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:11,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:11,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:11,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-06 13:51:11,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-06 13:51:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407750241] [2025-02-06 13:51:11,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033504031] [2025-02-06 13:51:11,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033504031] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:11,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:11,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-02-06 13:51:11,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884244044] [2025-02-06 13:51:11,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:11,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:11,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:11,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:51:11,565 INFO L87 Difference]: Start difference. First operand 298 states and 368 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:11,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:11,723 INFO L93 Difference]: Finished difference Result 340 states and 396 transitions. [2025-02-06 13:51:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:11,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2025-02-06 13:51:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:11,725 INFO L225 Difference]: With dead ends: 340 [2025-02-06 13:51:11,725 INFO L226 Difference]: Without dead ends: 338 [2025-02-06 13:51:11,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:11,726 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 289 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:11,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 226 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-06 13:51:11,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 298. [2025-02-06 13:51:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 256 states have (on average 1.36328125) internal successors, (349), 287 states have internal predecessors, (349), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:51:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 365 transitions. [2025-02-06 13:51:11,738 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 365 transitions. Word has length 60 [2025-02-06 13:51:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:11,739 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 365 transitions. [2025-02-06 13:51:11,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:11,739 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 365 transitions. [2025-02-06 13:51:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 13:51:11,739 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:11,740 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:11,747 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 [2025-02-06 13:51:11,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:11,940 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:11,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:11,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1964611872, now seen corresponding path program 1 times [2025-02-06 13:51:11,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:11,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801319687] [2025-02-06 13:51:11,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:11,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:11,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:51:11,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:51:11,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:11,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:11,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612594918] [2025-02-06 13:51:11,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:11,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:11,955 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:11,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 13:51:11,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:51:11,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:51:11,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:11,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:11,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 13:51:11,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:12,237 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:12,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801319687] [2025-02-06 13:51:12,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:12,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612594918] [2025-02-06 13:51:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612594918] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:12,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-02-06 13:51:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966760451] [2025-02-06 13:51:12,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:12,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:51:12,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:12,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:51:12,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:51:12,412 INFO L87 Difference]: Start difference. First operand 298 states and 365 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 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) [2025-02-06 13:51:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:13,783 INFO L93 Difference]: Finished difference Result 346 states and 420 transitions. [2025-02-06 13:51:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:51:13,784 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 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 62 [2025-02-06 13:51:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:13,785 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:51:13,786 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 13:51:13,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:51:13,786 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 368 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:13,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 362 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:51:13,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 13:51:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 303. [2025-02-06 13:51:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 261 states have (on average 1.3524904214559388) internal successors, (353), 292 states have internal predecessors, (353), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:51:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 369 transitions. [2025-02-06 13:51:13,800 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 369 transitions. Word has length 62 [2025-02-06 13:51:13,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:13,800 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 369 transitions. [2025-02-06 13:51:13,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 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) [2025-02-06 13:51:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 369 transitions. [2025-02-06 13:51:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 13:51:13,801 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:13,801 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:13,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 13:51:14,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:14,003 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:14,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash -18427705, now seen corresponding path program 1 times [2025-02-06 13:51:14,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:14,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87934725] [2025-02-06 13:51:14,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:14,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:51:14,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:51:14,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:14,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799272163] [2025-02-06 13:51:14,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:14,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:14,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:14,029 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 13:51:14,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:51:14,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:51:14,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:14,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:14,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:51:14,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:14,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87934725] [2025-02-06 13:51:14,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799272163] [2025-02-06 13:51:14,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799272163] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:14,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:14,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:51:14,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256808907] [2025-02-06 13:51:14,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:14,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:51:14,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:14,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:51:14,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:14,444 INFO L87 Difference]: Start difference. First operand 303 states and 369 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:14,904 INFO L93 Difference]: Finished difference Result 321 states and 387 transitions. [2025-02-06 13:51:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:51:14,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 62 [2025-02-06 13:51:14,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:14,906 INFO L225 Difference]: With dead ends: 321 [2025-02-06 13:51:14,906 INFO L226 Difference]: Without dead ends: 319 [2025-02-06 13:51:14,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:51:14,906 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 207 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:14,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 388 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:51:14,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-02-06 13:51:14,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2025-02-06 13:51:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 261 states have (on average 1.3333333333333333) internal successors, (348), 290 states have internal predecessors, (348), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:51:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 364 transitions. [2025-02-06 13:51:14,921 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 364 transitions. Word has length 62 [2025-02-06 13:51:14,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:14,921 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 364 transitions. [2025-02-06 13:51:14,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 364 transitions. [2025-02-06 13:51:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-06 13:51:14,922 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:14,922 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:14,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 13:51:15,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:15,123 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:15,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:15,123 INFO L85 PathProgramCache]: Analyzing trace with hash 773425952, now seen corresponding path program 1 times [2025-02-06 13:51:15,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:15,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941835961] [2025-02-06 13:51:15,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:15,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:51:15,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:51:15,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:15,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:15,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:15,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941835961] [2025-02-06 13:51:15,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941835961] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:15,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720935941] [2025-02-06 13:51:15,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:15,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:15,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:15,202 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:15,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 13:51:15,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:51:15,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:51:15,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:15,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:15,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:51:15,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:15,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:15,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720935941] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:15,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:15,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-02-06 13:51:15,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735542934] [2025-02-06 13:51:15,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:15,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:51:15,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:15,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:51:15,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:51:15,393 INFO L87 Difference]: Start difference. First operand 301 states and 364 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 13:51:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:15,677 INFO L93 Difference]: Finished difference Result 301 states and 364 transitions. [2025-02-06 13:51:15,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:51:15,678 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2025-02-06 13:51:15,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:15,680 INFO L225 Difference]: With dead ends: 301 [2025-02-06 13:51:15,680 INFO L226 Difference]: Without dead ends: 299 [2025-02-06 13:51:15,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:51:15,681 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 219 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:15,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 340 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:15,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-02-06 13:51:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-02-06 13:51:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 261 states have (on average 1.3065134099616857) internal successors, (341), 288 states have internal predecessors, (341), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:51:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 357 transitions. [2025-02-06 13:51:15,694 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 357 transitions. Word has length 63 [2025-02-06 13:51:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:15,695 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 357 transitions. [2025-02-06 13:51:15,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 13:51:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 357 transitions. [2025-02-06 13:51:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-06 13:51:15,695 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:15,696 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:15,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:15,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 13:51:15,896 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:15,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:15,897 INFO L85 PathProgramCache]: Analyzing trace with hash -571258783, now seen corresponding path program 1 times [2025-02-06 13:51:15,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:15,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914874838] [2025-02-06 13:51:15,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:15,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:15,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:51:15,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:51:15,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:15,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:15,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556986122] [2025-02-06 13:51:15,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:15,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:15,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:15,911 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:15,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 13:51:15,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:51:15,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:51:15,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:15,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:15,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:51:15,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:16,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:16,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:16,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914874838] [2025-02-06 13:51:16,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:16,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556986122] [2025-02-06 13:51:16,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556986122] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:16,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:16,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-06 13:51:16,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760070787] [2025-02-06 13:51:16,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:16,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:51:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:16,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:51:16,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:51:16,505 INFO L87 Difference]: Start difference. First operand 299 states and 357 transitions. Second operand has 15 states, 14 states have (on average 7.5) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:17,271 INFO L93 Difference]: Finished difference Result 433 states and 485 transitions. [2025-02-06 13:51:17,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 13:51:17,272 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2025-02-06 13:51:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:17,273 INFO L225 Difference]: With dead ends: 433 [2025-02-06 13:51:17,273 INFO L226 Difference]: Without dead ends: 431 [2025-02-06 13:51:17,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:51:17,274 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 886 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:17,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 621 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:51:17,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2025-02-06 13:51:17,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 336. [2025-02-06 13:51:17,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 297 states have (on average 1.3131313131313131) internal successors, (390), 324 states have internal predecessors, (390), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:51:17,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 408 transitions. [2025-02-06 13:51:17,290 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 408 transitions. Word has length 63 [2025-02-06 13:51:17,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:17,290 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 408 transitions. [2025-02-06 13:51:17,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 408 transitions. [2025-02-06 13:51:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 13:51:17,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:17,291 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:17,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 13:51:17,495 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,SelfDestructingSolverStorable33 [2025-02-06 13:51:17,495 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:17,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:17,495 INFO L85 PathProgramCache]: Analyzing trace with hash -529153019, now seen corresponding path program 1 times [2025-02-06 13:51:17,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:17,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81974576] [2025-02-06 13:51:17,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:17,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:17,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:51:17,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:51:17,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:17,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781481760] [2025-02-06 13:51:17,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:17,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:17,514 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:17,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 13:51:17,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:51:17,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:51:17,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:17,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:17,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 13:51:17,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:18,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:18,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81974576] [2025-02-06 13:51:18,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781481760] [2025-02-06 13:51:18,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781481760] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:18,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:18,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2025-02-06 13:51:18,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035364476] [2025-02-06 13:51:18,409 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:18,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 13:51:18,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:18,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 13:51:18,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:51:18,410 INFO L87 Difference]: Start difference. First operand 336 states and 408 transitions. Second operand has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:20,499 INFO L93 Difference]: Finished difference Result 527 states and 653 transitions. [2025-02-06 13:51:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-02-06 13:51:20,499 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 64 [2025-02-06 13:51:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:20,501 INFO L225 Difference]: With dead ends: 527 [2025-02-06 13:51:20,501 INFO L226 Difference]: Without dead ends: 523 [2025-02-06 13:51:20,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2025-02-06 13:51:20,503 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 754 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:20,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 343 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:51:20,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-06 13:51:20,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 378. [2025-02-06 13:51:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 339 states have (on average 1.3008849557522124) internal successors, (441), 366 states have internal predecessors, (441), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:51:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 459 transitions. [2025-02-06 13:51:20,533 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 459 transitions. Word has length 64 [2025-02-06 13:51:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:20,533 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 459 transitions. [2025-02-06 13:51:20,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 459 transitions. [2025-02-06 13:51:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 13:51:20,534 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:20,534 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:20,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:20,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 13:51:20,735 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:20,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:20,735 INFO L85 PathProgramCache]: Analyzing trace with hash 776125663, now seen corresponding path program 1 times [2025-02-06 13:51:20,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:20,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049241316] [2025-02-06 13:51:20,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:20,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:20,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:51:20,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:51:20,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:20,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:20,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849311088] [2025-02-06 13:51:20,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:20,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:20,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:20,753 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:20,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 13:51:20,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:51:20,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:51:20,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:20,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:20,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 13:51:20,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:21,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:21,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049241316] [2025-02-06 13:51:21,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849311088] [2025-02-06 13:51:21,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849311088] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:21,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 13:51:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443518251] [2025-02-06 13:51:21,424 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:21,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:51:21,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:21,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:51:21,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:51:21,425 INFO L87 Difference]: Start difference. First operand 378 states and 459 transitions. Second operand has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:22,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:22,091 INFO L93 Difference]: Finished difference Result 404 states and 478 transitions. [2025-02-06 13:51:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:51:22,092 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2025-02-06 13:51:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:22,093 INFO L225 Difference]: With dead ends: 404 [2025-02-06 13:51:22,093 INFO L226 Difference]: Without dead ends: 400 [2025-02-06 13:51:22,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2025-02-06 13:51:22,094 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 235 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:22,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 488 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-02-06 13:51:22,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 385. [2025-02-06 13:51:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 373 states have internal predecessors, (447), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:51:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 465 transitions. [2025-02-06 13:51:22,114 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 465 transitions. Word has length 65 [2025-02-06 13:51:22,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:22,114 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 465 transitions. [2025-02-06 13:51:22,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 465 transitions. [2025-02-06 13:51:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 13:51:22,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:22,114 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:22,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 13:51:22,315 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,SelfDestructingSolverStorable35 [2025-02-06 13:51:22,315 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:22,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash 574362268, now seen corresponding path program 1 times [2025-02-06 13:51:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:22,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060638450] [2025-02-06 13:51:22,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:22,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:51:22,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:51:22,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:22,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:22,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:22,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060638450] [2025-02-06 13:51:22,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060638450] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:22,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272413837] [2025-02-06 13:51:22,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:22,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:22,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:22,388 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:22,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 13:51:22,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:51:22,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:51:22,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:22,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:22,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:51:22,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:22,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:22,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272413837] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:22,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:22,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-06 13:51:22,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997598120] [2025-02-06 13:51:22,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:22,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:51:22,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:22,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:51:22,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:51:22,655 INFO L87 Difference]: Start difference. First operand 385 states and 465 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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) [2025-02-06 13:51:23,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:23,027 INFO L93 Difference]: Finished difference Result 544 states and 679 transitions. [2025-02-06 13:51:23,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:51:23,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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 67 [2025-02-06 13:51:23,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:23,029 INFO L225 Difference]: With dead ends: 544 [2025-02-06 13:51:23,029 INFO L226 Difference]: Without dead ends: 542 [2025-02-06 13:51:23,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:51:23,029 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 166 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:23,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 236 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:51:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-06 13:51:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 512. [2025-02-06 13:51:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 470 states have (on average 1.325531914893617) internal successors, (623), 497 states have internal predecessors, (623), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:51:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 647 transitions. [2025-02-06 13:51:23,054 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 647 transitions. Word has length 67 [2025-02-06 13:51:23,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:23,054 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 647 transitions. [2025-02-06 13:51:23,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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) [2025-02-06 13:51:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 647 transitions. [2025-02-06 13:51:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 13:51:23,055 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:23,055 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:23,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-06 13:51:23,255 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,SelfDestructingSolverStorable36 [2025-02-06 13:51:23,255 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:23,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:23,256 INFO L85 PathProgramCache]: Analyzing trace with hash 625361178, now seen corresponding path program 1 times [2025-02-06 13:51:23,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:23,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824839210] [2025-02-06 13:51:23,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:23,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:23,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 13:51:23,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 13:51:23,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:23,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:23,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:23,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824839210] [2025-02-06 13:51:23,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824839210] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:23,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:23,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:51:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146469321] [2025-02-06 13:51:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:23,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:23,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:23,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:23,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:51:23,331 INFO L87 Difference]: Start difference. First operand 512 states and 647 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2025-02-06 13:51:23,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:23,561 INFO L93 Difference]: Finished difference Result 751 states and 970 transitions. [2025-02-06 13:51:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:51:23,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 68 [2025-02-06 13:51:23,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:23,563 INFO L225 Difference]: With dead ends: 751 [2025-02-06 13:51:23,563 INFO L226 Difference]: Without dead ends: 749 [2025-02-06 13:51:23,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:51:23,564 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:23,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 274 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:23,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2025-02-06 13:51:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 684. [2025-02-06 13:51:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 637 states have (on average 1.3422291993720565) internal successors, (855), 664 states have internal predecessors, (855), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:51:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 889 transitions. [2025-02-06 13:51:23,597 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 889 transitions. Word has length 68 [2025-02-06 13:51:23,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:23,597 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 889 transitions. [2025-02-06 13:51:23,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2025-02-06 13:51:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 889 transitions. [2025-02-06 13:51:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 13:51:23,598 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:23,598 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:23,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-06 13:51:23,599 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:23,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:23,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2088639910, now seen corresponding path program 1 times [2025-02-06 13:51:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:23,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377073428] [2025-02-06 13:51:23,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:23,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:51:23,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:51:23,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:23,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:23,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:23,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377073428] [2025-02-06 13:51:23,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377073428] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:23,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124383725] [2025-02-06 13:51:23,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:23,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:23,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:23,750 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:23,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 13:51:23,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:51:23,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:51:23,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:23,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:23,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:51:23,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:51:24,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:51:24,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124383725] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:24,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:24,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2025-02-06 13:51:24,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380666651] [2025-02-06 13:51:24,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:24,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:51:24,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:24,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:51:24,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:24,076 INFO L87 Difference]: Start difference. First operand 684 states and 889 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:24,334 INFO L93 Difference]: Finished difference Result 701 states and 904 transitions. [2025-02-06 13:51:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:51:24,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2025-02-06 13:51:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:24,337 INFO L225 Difference]: With dead ends: 701 [2025-02-06 13:51:24,337 INFO L226 Difference]: Without dead ends: 699 [2025-02-06 13:51:24,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:24,338 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 148 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:24,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 242 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2025-02-06 13:51:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 692. [2025-02-06 13:51:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 645 states have (on average 1.3364341085271318) internal successors, (862), 672 states have internal predecessors, (862), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:51:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 896 transitions. [2025-02-06 13:51:24,372 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 896 transitions. Word has length 69 [2025-02-06 13:51:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:24,372 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 896 transitions. [2025-02-06 13:51:24,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 896 transitions. [2025-02-06 13:51:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:51:24,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:24,373 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:24,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:24,581 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,SelfDestructingSolverStorable38 [2025-02-06 13:51:24,582 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:24,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:24,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1850793731, now seen corresponding path program 1 times [2025-02-06 13:51:24,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:24,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322665900] [2025-02-06 13:51:24,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:24,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:24,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:51:24,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:51:24,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:24,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:24,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122761288] [2025-02-06 13:51:24,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:24,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:24,596 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:24,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 13:51:24,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:51:24,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:51:24,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:24,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:24,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:51:24,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:24,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 13:51:25,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322665900] [2025-02-06 13:51:25,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122761288] [2025-02-06 13:51:25,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122761288] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:25,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:25,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-02-06 13:51:25,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792923322] [2025-02-06 13:51:25,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:25,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:51:25,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:25,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:51:25,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:51:25,201 INFO L87 Difference]: Start difference. First operand 692 states and 896 transitions. Second operand has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 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) [2025-02-06 13:51:26,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:26,607 INFO L93 Difference]: Finished difference Result 709 states and 912 transitions. [2025-02-06 13:51:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 13:51:26,607 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 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 72 [2025-02-06 13:51:26,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:26,609 INFO L225 Difference]: With dead ends: 709 [2025-02-06 13:51:26,609 INFO L226 Difference]: Without dead ends: 706 [2025-02-06 13:51:26,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-02-06 13:51:26,610 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 322 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:26,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 193 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:51:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-02-06 13:51:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 702. [2025-02-06 13:51:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 656 states have (on average 1.3246951219512195) internal successors, (869), 682 states have internal predecessors, (869), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:51:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 903 transitions. [2025-02-06 13:51:26,647 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 903 transitions. Word has length 72 [2025-02-06 13:51:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:26,648 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 903 transitions. [2025-02-06 13:51:26,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 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) [2025-02-06 13:51:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 903 transitions. [2025-02-06 13:51:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 13:51:26,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:26,648 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:26,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 13:51:26,849 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,SelfDestructingSolverStorable39 [2025-02-06 13:51:26,849 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:26,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:26,849 INFO L85 PathProgramCache]: Analyzing trace with hash -764539327, now seen corresponding path program 1 times [2025-02-06 13:51:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234669729] [2025-02-06 13:51:26,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:26,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 13:51:26,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 13:51:26,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:26,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:26,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234669729] [2025-02-06 13:51:26,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234669729] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671433589] [2025-02-06 13:51:26,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:26,938 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:26,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 13:51:26,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 13:51:26,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 13:51:26,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:26,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:26,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:26,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:27,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:27,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671433589] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:27,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:27,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:51:27,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642827136] [2025-02-06 13:51:27,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:27,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:51:27,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:27,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:51:27,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:51:27,295 INFO L87 Difference]: Start difference. First operand 702 states and 903 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:51:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:27,721 INFO L93 Difference]: Finished difference Result 1108 states and 1424 transitions. [2025-02-06 13:51:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:51:27,722 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 79 [2025-02-06 13:51:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:27,725 INFO L225 Difference]: With dead ends: 1108 [2025-02-06 13:51:27,726 INFO L226 Difference]: Without dead ends: 1106 [2025-02-06 13:51:27,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:51:27,726 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 895 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:27,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 415 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:51:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2025-02-06 13:51:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 943. [2025-02-06 13:51:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 890 states have (on average 1.3157303370786517) internal successors, (1171), 915 states have internal predecessors, (1171), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:51:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1221 transitions. [2025-02-06 13:51:27,788 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1221 transitions. Word has length 79 [2025-02-06 13:51:27,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:27,789 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1221 transitions. [2025-02-06 13:51:27,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:51:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1221 transitions. [2025-02-06 13:51:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 13:51:27,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:27,790 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:27,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 13:51:27,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:27,993 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:27,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:27,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1181341781, now seen corresponding path program 1 times [2025-02-06 13:51:27,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:27,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684055750] [2025-02-06 13:51:27,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:27,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:51:28,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:51:28,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:28,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:28,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:28,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684055750] [2025-02-06 13:51:28,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684055750] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749743060] [2025-02-06 13:51:28,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:28,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:28,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:28,059 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:28,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 13:51:28,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:51:28,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:51:28,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:28,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:28,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:51:28,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:28,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:28,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749743060] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:28,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:28,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-06 13:51:28,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511560514] [2025-02-06 13:51:28,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:28,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:51:28,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:28,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:51:28,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:28,369 INFO L87 Difference]: Start difference. First operand 943 states and 1221 transitions. Second operand has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:29,006 INFO L93 Difference]: Finished difference Result 1473 states and 1889 transitions. [2025-02-06 13:51:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:51:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 82 [2025-02-06 13:51:29,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:29,011 INFO L225 Difference]: With dead ends: 1473 [2025-02-06 13:51:29,011 INFO L226 Difference]: Without dead ends: 1472 [2025-02-06 13:51:29,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:51:29,015 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 353 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:29,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 568 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:29,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2025-02-06 13:51:29,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1234. [2025-02-06 13:51:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1172 states have (on average 1.3156996587030716) internal successors, (1542), 1197 states have internal predecessors, (1542), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 13:51:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1610 transitions. [2025-02-06 13:51:29,106 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1610 transitions. Word has length 82 [2025-02-06 13:51:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:29,106 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1610 transitions. [2025-02-06 13:51:29,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1610 transitions. [2025-02-06 13:51:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 13:51:29,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:29,107 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:29,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 13:51:29,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:29,308 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:29,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1269444770, now seen corresponding path program 1 times [2025-02-06 13:51:29,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:29,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643422135] [2025-02-06 13:51:29,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:29,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:29,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:51:29,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:51:29,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:29,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:29,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:29,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643422135] [2025-02-06 13:51:29,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643422135] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:29,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817429524] [2025-02-06 13:51:29,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:29,374 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:29,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 13:51:29,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:51:29,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:51:29,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:29,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:29,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:29,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:29,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:29,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817429524] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:29,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:29,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-06 13:51:29,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326138330] [2025-02-06 13:51:29,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:29,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:51:29,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:29,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:51:29,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:29,602 INFO L87 Difference]: Start difference. First operand 1234 states and 1610 transitions. Second operand has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:29,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:29,768 INFO L93 Difference]: Finished difference Result 1560 states and 2020 transitions. [2025-02-06 13:51:29,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:51:29,768 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 83 [2025-02-06 13:51:29,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:29,773 INFO L225 Difference]: With dead ends: 1560 [2025-02-06 13:51:29,773 INFO L226 Difference]: Without dead ends: 1559 [2025-02-06 13:51:29,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:29,776 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 87 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:29,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 473 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2025-02-06 13:51:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1494. [2025-02-06 13:51:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1426 states have (on average 1.2980364656381487) internal successors, (1851), 1451 states have internal predecessors, (1851), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:51:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1931 transitions. [2025-02-06 13:51:29,891 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1931 transitions. Word has length 83 [2025-02-06 13:51:29,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:29,892 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1931 transitions. [2025-02-06 13:51:29,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1931 transitions. [2025-02-06 13:51:29,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 13:51:29,893 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:29,893 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:29,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-06 13:51:30,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-06 13:51:30,097 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:30,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:30,097 INFO L85 PathProgramCache]: Analyzing trace with hash -842014472, now seen corresponding path program 2 times [2025-02-06 13:51:30,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:30,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382504503] [2025-02-06 13:51:30,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:30,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:30,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes. [2025-02-06 13:51:30,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 13:51:30,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:30,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:30,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903126817] [2025-02-06 13:51:30,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:30,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:30,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:30,117 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:30,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 13:51:30,144 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes. [2025-02-06 13:51:30,166 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 13:51:30,166 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:30,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:30,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:51:30,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:30,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:30,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:30,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382504503] [2025-02-06 13:51:30,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:30,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903126817] [2025-02-06 13:51:30,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903126817] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:30,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:30,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-02-06 13:51:30,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035315276] [2025-02-06 13:51:30,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:30,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 13:51:30,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:30,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 13:51:30,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:51:30,786 INFO L87 Difference]: Start difference. First operand 1494 states and 1931 transitions. Second operand has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 13:51:31,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:31,667 INFO L93 Difference]: Finished difference Result 1585 states and 2039 transitions. [2025-02-06 13:51:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:51:31,668 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 86 [2025-02-06 13:51:31,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:31,673 INFO L225 Difference]: With dead ends: 1585 [2025-02-06 13:51:31,673 INFO L226 Difference]: Without dead ends: 1583 [2025-02-06 13:51:31,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:51:31,675 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 582 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:31,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 813 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:51:31,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2025-02-06 13:51:31,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1526. [2025-02-06 13:51:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1459 states have (on average 1.2762165867032214) internal successors, (1862), 1483 states have internal predecessors, (1862), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:51:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1942 transitions. [2025-02-06 13:51:31,777 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1942 transitions. Word has length 86 [2025-02-06 13:51:31,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:31,778 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1942 transitions. [2025-02-06 13:51:31,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 13:51:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1942 transitions. [2025-02-06 13:51:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 13:51:31,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:31,779 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:31,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 13:51:31,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-06 13:51:31,983 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:31,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:31,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1410355464, now seen corresponding path program 1 times [2025-02-06 13:51:31,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:31,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156616991] [2025-02-06 13:51:31,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:31,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:31,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 13:51:31,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 13:51:31,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:31,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:32,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:32,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156616991] [2025-02-06 13:51:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156616991] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907261342] [2025-02-06 13:51:32,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:32,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:32,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:32,089 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:32,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 13:51:32,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 13:51:32,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 13:51:32,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:32,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:32,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:51:32,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:32,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:32,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907261342] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:32,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:32,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-02-06 13:51:32,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388014701] [2025-02-06 13:51:32,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:32,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 13:51:32,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:32,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 13:51:32,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:51:32,841 INFO L87 Difference]: Start difference. First operand 1526 states and 1942 transitions. Second operand has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:51:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:33,645 INFO L93 Difference]: Finished difference Result 1643 states and 2068 transitions. [2025-02-06 13:51:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 13:51:33,645 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 86 [2025-02-06 13:51:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:33,649 INFO L225 Difference]: With dead ends: 1643 [2025-02-06 13:51:33,649 INFO L226 Difference]: Without dead ends: 1642 [2025-02-06 13:51:33,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:51:33,649 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 376 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:33,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 629 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2025-02-06 13:51:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1532. [2025-02-06 13:51:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1465 states have (on average 1.2723549488054609) internal successors, (1864), 1489 states have internal predecessors, (1864), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:51:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1944 transitions. [2025-02-06 13:51:33,742 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1944 transitions. Word has length 86 [2025-02-06 13:51:33,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:33,742 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 1944 transitions. [2025-02-06 13:51:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:51:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1944 transitions. [2025-02-06 13:51:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:51:33,743 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:33,743 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:33,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:33,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-02-06 13:51:33,944 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:33,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:33,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1559145271, now seen corresponding path program 1 times [2025-02-06 13:51:33,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:33,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199074898] [2025-02-06 13:51:33,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:33,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:33,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:51:33,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:51:33,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:33,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:33,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582336773] [2025-02-06 13:51:33,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:33,959 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:33,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 13:51:33,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:51:34,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:51:34,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:34,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:34,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:51:34,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:34,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:34,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199074898] [2025-02-06 13:51:34,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582336773] [2025-02-06 13:51:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582336773] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:34,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:34,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 13:51:34,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288393544] [2025-02-06 13:51:34,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:34,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:51:34,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:34,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:51:34,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:51:34,414 INFO L87 Difference]: Start difference. First operand 1532 states and 1944 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:35,327 INFO L93 Difference]: Finished difference Result 1557 states and 1967 transitions. [2025-02-06 13:51:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:51:35,328 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 87 [2025-02-06 13:51:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:35,332 INFO L225 Difference]: With dead ends: 1557 [2025-02-06 13:51:35,332 INFO L226 Difference]: Without dead ends: 1555 [2025-02-06 13:51:35,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-02-06 13:51:35,332 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 203 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:35,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 683 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:51:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2025-02-06 13:51:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1548. [2025-02-06 13:51:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 1481 states have (on average 1.2700877785280216) internal successors, (1881), 1505 states have internal predecessors, (1881), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:51:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 1961 transitions. [2025-02-06 13:51:35,428 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 1961 transitions. Word has length 87 [2025-02-06 13:51:35,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:35,428 INFO L471 AbstractCegarLoop]: Abstraction has 1548 states and 1961 transitions. [2025-02-06 13:51:35,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1961 transitions. [2025-02-06 13:51:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:51:35,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:35,429 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:35,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-06 13:51:35,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:35,630 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:35,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:35,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1858065686, now seen corresponding path program 1 times [2025-02-06 13:51:35,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355797395] [2025-02-06 13:51:35,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:35,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:35,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:51:35,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:51:35,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:35,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:35,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:35,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355797395] [2025-02-06 13:51:35,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355797395] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:35,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581440742] [2025-02-06 13:51:35,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:35,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:35,706 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:35,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 13:51:35,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:51:35,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:51:35,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:35,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:35,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:35,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:35,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:35,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581440742] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:35,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:35,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-06 13:51:35,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134332478] [2025-02-06 13:51:35,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:35,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:51:35,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:35,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:51:35,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:35,965 INFO L87 Difference]: Start difference. First operand 1548 states and 1961 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:36,134 INFO L93 Difference]: Finished difference Result 2071 states and 2602 transitions. [2025-02-06 13:51:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:51:36,134 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 88 [2025-02-06 13:51:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:36,139 INFO L225 Difference]: With dead ends: 2071 [2025-02-06 13:51:36,139 INFO L226 Difference]: Without dead ends: 2070 [2025-02-06 13:51:36,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:36,140 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 307 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:36,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 718 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2025-02-06 13:51:36,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1863. [2025-02-06 13:51:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1787 states have (on average 1.2781197537772804) internal successors, (2284), 1811 states have internal predecessors, (2284), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-06 13:51:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2382 transitions. [2025-02-06 13:51:36,227 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2382 transitions. Word has length 88 [2025-02-06 13:51:36,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:36,228 INFO L471 AbstractCegarLoop]: Abstraction has 1863 states and 2382 transitions. [2025-02-06 13:51:36,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 13:51:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2382 transitions. [2025-02-06 13:51:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 13:51:36,229 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:36,229 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:36,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:36,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:36,430 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:36,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1330830988, now seen corresponding path program 1 times [2025-02-06 13:51:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:36,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972362692] [2025-02-06 13:51:36,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:36,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:51:36,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:51:36,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:36,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:36,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884146048] [2025-02-06 13:51:36,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:36,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:36,450 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:36,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 13:51:36,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:51:36,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:51:36,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:36,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:36,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:51:36,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:36,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:37,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:37,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972362692] [2025-02-06 13:51:37,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:37,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884146048] [2025-02-06 13:51:37,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884146048] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:37,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:37,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-02-06 13:51:37,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970205985] [2025-02-06 13:51:37,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:37,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:51:37,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:37,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:51:37,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:51:37,708 INFO L87 Difference]: Start difference. First operand 1863 states and 2382 transitions. Second operand has 23 states, 22 states have (on average 6.7727272727272725) internal successors, (149), 23 states have internal predecessors, (149), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:40,759 INFO L93 Difference]: Finished difference Result 1982 states and 2516 transitions. [2025-02-06 13:51:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-06 13:51:40,759 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.7727272727272725) internal successors, (149), 23 states have internal predecessors, (149), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 90 [2025-02-06 13:51:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:40,764 INFO L225 Difference]: With dead ends: 1982 [2025-02-06 13:51:40,764 INFO L226 Difference]: Without dead ends: 1980 [2025-02-06 13:51:40,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=548, Invalid=2314, Unknown=0, NotChecked=0, Total=2862 [2025-02-06 13:51:40,766 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 1079 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:40,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 523 Invalid, 1909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-06 13:51:40,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2025-02-06 13:51:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1917. [2025-02-06 13:51:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1839 states have (on average 1.2713431212615551) internal successors, (2338), 1863 states have internal predecessors, (2338), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2440 transitions. [2025-02-06 13:51:40,874 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2440 transitions. Word has length 90 [2025-02-06 13:51:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:40,874 INFO L471 AbstractCegarLoop]: Abstraction has 1917 states and 2440 transitions. [2025-02-06 13:51:40,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.7727272727272725) internal successors, (149), 23 states have internal predecessors, (149), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2440 transitions. [2025-02-06 13:51:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 13:51:40,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:40,875 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:40,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:41,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-06 13:51:41,079 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:41,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1574537813, now seen corresponding path program 1 times [2025-02-06 13:51:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:41,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482130221] [2025-02-06 13:51:41,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:41,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:51:41,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:51:41,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:41,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:41,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:41,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482130221] [2025-02-06 13:51:41,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482130221] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:41,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846568569] [2025-02-06 13:51:41,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:41,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:41,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:41,163 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:41,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 13:51:41,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:51:41,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:51:41,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:41,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:41,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:51:41,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:41,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:41,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846568569] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:41,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:41,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-06 13:51:41,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54916340] [2025-02-06 13:51:41,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:41,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:51:41,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:41,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:51:41,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:41,400 INFO L87 Difference]: Start difference. First operand 1917 states and 2440 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 13:51:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:41,681 INFO L93 Difference]: Finished difference Result 1929 states and 2452 transitions. [2025-02-06 13:51:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:51:41,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 90 [2025-02-06 13:51:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:41,686 INFO L225 Difference]: With dead ends: 1929 [2025-02-06 13:51:41,687 INFO L226 Difference]: Without dead ends: 1928 [2025-02-06 13:51:41,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 172 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:51:41,688 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 154 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:41,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 348 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:51:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2025-02-06 13:51:41,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1917. [2025-02-06 13:51:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1839 states have (on average 1.2707993474714518) internal successors, (2337), 1863 states have internal predecessors, (2337), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2439 transitions. [2025-02-06 13:51:41,771 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2439 transitions. Word has length 90 [2025-02-06 13:51:41,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:41,771 INFO L471 AbstractCegarLoop]: Abstraction has 1917 states and 2439 transitions. [2025-02-06 13:51:41,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 13:51:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2439 transitions. [2025-02-06 13:51:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 13:51:41,773 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:41,773 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:41,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:41,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-06 13:51:41,979 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:41,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:41,979 INFO L85 PathProgramCache]: Analyzing trace with hash -846840750, now seen corresponding path program 2 times [2025-02-06 13:51:41,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:41,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878124447] [2025-02-06 13:51:41,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:41,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:41,985 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-02-06 13:51:41,999 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:51:41,999 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:41,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500590158] [2025-02-06 13:51:41,999 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:42,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:42,003 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:42,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 13:51:42,027 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-02-06 13:51:42,050 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:51:42,050 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:42,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:42,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 13:51:42,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:42,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:43,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878124447] [2025-02-06 13:51:43,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500590158] [2025-02-06 13:51:43,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500590158] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:43,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:43,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-02-06 13:51:43,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72275918] [2025-02-06 13:51:43,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:43,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:51:43,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:43,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:51:43,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:51:43,097 INFO L87 Difference]: Start difference. First operand 1917 states and 2439 transitions. Second operand has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:45,070 INFO L93 Difference]: Finished difference Result 1949 states and 2468 transitions. [2025-02-06 13:51:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-06 13:51:45,070 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2025-02-06 13:51:45,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:45,075 INFO L225 Difference]: With dead ends: 1949 [2025-02-06 13:51:45,075 INFO L226 Difference]: Without dead ends: 1947 [2025-02-06 13:51:45,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=473, Invalid=1597, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:51:45,076 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 756 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:45,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 518 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 13:51:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2025-02-06 13:51:45,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1917. [2025-02-06 13:51:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1839 states have (on average 1.2686242523110387) internal successors, (2333), 1863 states have internal predecessors, (2333), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2435 transitions. [2025-02-06 13:51:45,159 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2435 transitions. Word has length 95 [2025-02-06 13:51:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:45,159 INFO L471 AbstractCegarLoop]: Abstraction has 1917 states and 2435 transitions. [2025-02-06 13:51:45,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2435 transitions. [2025-02-06 13:51:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 13:51:45,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:45,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:45,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-06 13:51:45,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:45,364 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:45,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:45,365 INFO L85 PathProgramCache]: Analyzing trace with hash -497552664, now seen corresponding path program 1 times [2025-02-06 13:51:45,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:45,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637423149] [2025-02-06 13:51:45,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:45,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:45,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:51:45,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:51:45,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:45,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:45,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:45,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637423149] [2025-02-06 13:51:45,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637423149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:45,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789453195] [2025-02-06 13:51:45,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:45,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:45,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:45,550 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:45,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 13:51:45,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:51:45,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:51:45,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:45,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:45,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:51:45,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:45,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:46,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789453195] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:46,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:46,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-06 13:51:46,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172616384] [2025-02-06 13:51:46,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:46,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:51:46,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:46,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:51:46,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:51:46,163 INFO L87 Difference]: Start difference. First operand 1917 states and 2435 transitions. Second operand has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:47,159 INFO L93 Difference]: Finished difference Result 1951 states and 2470 transitions. [2025-02-06 13:51:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-06 13:51:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2025-02-06 13:51:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:47,163 INFO L225 Difference]: With dead ends: 1951 [2025-02-06 13:51:47,164 INFO L226 Difference]: Without dead ends: 1950 [2025-02-06 13:51:47,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2025-02-06 13:51:47,165 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 167 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:47,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 764 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:51:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2025-02-06 13:51:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1924. [2025-02-06 13:51:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1846 states have (on average 1.267605633802817) internal successors, (2340), 1870 states have internal predecessors, (2340), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2442 transitions. [2025-02-06 13:51:47,254 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2442 transitions. Word has length 96 [2025-02-06 13:51:47,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:47,255 INFO L471 AbstractCegarLoop]: Abstraction has 1924 states and 2442 transitions. [2025-02-06 13:51:47,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2442 transitions. [2025-02-06 13:51:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 13:51:47,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:47,256 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:47,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-06 13:51:47,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2025-02-06 13:51:47,457 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:47,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2026449999, now seen corresponding path program 1 times [2025-02-06 13:51:47,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:47,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468868653] [2025-02-06 13:51:47,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:47,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:51:47,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:51:47,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:47,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:47,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191338812] [2025-02-06 13:51:47,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:47,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:47,478 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:47,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-06 13:51:47,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:51:47,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:51:47,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:47,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:47,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:51:47,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:47,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:48,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:48,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468868653] [2025-02-06 13:51:48,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:48,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191338812] [2025-02-06 13:51:48,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191338812] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:48,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:48,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-06 13:51:48,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692764111] [2025-02-06 13:51:48,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:48,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 13:51:48,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:48,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 13:51:48,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:51:48,251 INFO L87 Difference]: Start difference. First operand 1924 states and 2442 transitions. Second operand has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 18 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:49,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:49,702 INFO L93 Difference]: Finished difference Result 1966 states and 2490 transitions. [2025-02-06 13:51:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-06 13:51:49,702 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 18 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 96 [2025-02-06 13:51:49,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:49,707 INFO L225 Difference]: With dead ends: 1966 [2025-02-06 13:51:49,707 INFO L226 Difference]: Without dead ends: 1965 [2025-02-06 13:51:49,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:51:49,709 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 186 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:49,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 384 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:51:49,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2025-02-06 13:51:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1924. [2025-02-06 13:51:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1846 states have (on average 1.2670639219934994) internal successors, (2339), 1870 states have internal predecessors, (2339), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2441 transitions. [2025-02-06 13:51:49,829 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2441 transitions. Word has length 96 [2025-02-06 13:51:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:49,829 INFO L471 AbstractCegarLoop]: Abstraction has 1924 states and 2441 transitions. [2025-02-06 13:51:49,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 18 states have internal predecessors, (152), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:51:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2441 transitions. [2025-02-06 13:51:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 13:51:49,830 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:49,831 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:49,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:50,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:50,032 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:50,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:50,032 INFO L85 PathProgramCache]: Analyzing trace with hash -800693577, now seen corresponding path program 1 times [2025-02-06 13:51:50,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:50,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776384422] [2025-02-06 13:51:50,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:50,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:50,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:51:50,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:51:50,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:50,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:50,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491566584] [2025-02-06 13:51:50,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:50,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:50,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:50,052 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:50,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-06 13:51:50,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:51:50,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:51:50,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:50,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:50,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:51:50,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:50,317 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:50,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776384422] [2025-02-06 13:51:50,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491566584] [2025-02-06 13:51:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491566584] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:50,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:50,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 13:51:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66795852] [2025-02-06 13:51:50,821 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:50,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:51:50,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:50,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:51:50,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2025-02-06 13:51:50,822 INFO L87 Difference]: Start difference. First operand 1924 states and 2441 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2025-02-06 13:51:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:51,424 INFO L93 Difference]: Finished difference Result 1956 states and 2475 transitions. [2025-02-06 13:51:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:51:51,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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 97 [2025-02-06 13:51:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:51,429 INFO L225 Difference]: With dead ends: 1956 [2025-02-06 13:51:51,429 INFO L226 Difference]: Without dead ends: 1954 [2025-02-06 13:51:51,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2025-02-06 13:51:51,430 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 160 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:51,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 856 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:51,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2025-02-06 13:51:51,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1933. [2025-02-06 13:51:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1855 states have (on average 1.2663072776280324) internal successors, (2349), 1879 states have internal predecessors, (2349), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2451 transitions. [2025-02-06 13:51:51,539 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2451 transitions. Word has length 97 [2025-02-06 13:51:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:51,539 INFO L471 AbstractCegarLoop]: Abstraction has 1933 states and 2451 transitions. [2025-02-06 13:51:51,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2025-02-06 13:51:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2451 transitions. [2025-02-06 13:51:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 13:51:51,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:51,540 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:51,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-06 13:51:51,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-02-06 13:51:51,741 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:51,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:51,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1755736574, now seen corresponding path program 1 times [2025-02-06 13:51:51,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:51,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090433456] [2025-02-06 13:51:51,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:51,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:51,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:51:51,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:51:51,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:51,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-06 13:51:51,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:51,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090433456] [2025-02-06 13:51:51,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090433456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:51:51,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:51:51,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:51:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471073906] [2025-02-06 13:51:51,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:51:51,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:51:51,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:51,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:51:51,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:51,790 INFO L87 Difference]: Start difference. First operand 1933 states and 2451 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:52,017 INFO L93 Difference]: Finished difference Result 1948 states and 2459 transitions. [2025-02-06 13:51:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:51:52,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 97 [2025-02-06 13:51:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:52,021 INFO L225 Difference]: With dead ends: 1948 [2025-02-06 13:51:52,021 INFO L226 Difference]: Without dead ends: 1925 [2025-02-06 13:51:52,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:51:52,022 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 26 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:52,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 179 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:51:52,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2025-02-06 13:51:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1918. [2025-02-06 13:51:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1840 states have (on average 1.267391304347826) internal successors, (2332), 1864 states have internal predecessors, (2332), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2434 transitions. [2025-02-06 13:51:52,118 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2434 transitions. Word has length 97 [2025-02-06 13:51:52,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:52,118 INFO L471 AbstractCegarLoop]: Abstraction has 1918 states and 2434 transitions. [2025-02-06 13:51:52,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2434 transitions. [2025-02-06 13:51:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 13:51:52,119 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:52,119 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:52,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-02-06 13:51:52,119 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:52,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:52,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1604559489, now seen corresponding path program 1 times [2025-02-06 13:51:52,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:52,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292388260] [2025-02-06 13:51:52,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:52,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:51:52,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:51:52,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:52,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:52,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:52,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292388260] [2025-02-06 13:51:52,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292388260] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:52,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183403516] [2025-02-06 13:51:52,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:52,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:52,231 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:52,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-06 13:51:52,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:51:52,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:51:52,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:52,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:52,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:51:52,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:52,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:52,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183403516] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:52,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:51:52,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-06 13:51:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377190043] [2025-02-06 13:51:52,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:52,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:51:52,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:52,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:51:52,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:51:52,705 INFO L87 Difference]: Start difference. First operand 1918 states and 2434 transitions. Second operand has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:53,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:53,382 INFO L93 Difference]: Finished difference Result 1940 states and 2456 transitions. [2025-02-06 13:51:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 13:51:53,382 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 97 [2025-02-06 13:51:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:53,385 INFO L225 Difference]: With dead ends: 1940 [2025-02-06 13:51:53,385 INFO L226 Difference]: Without dead ends: 1939 [2025-02-06 13:51:53,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:51:53,386 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 250 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:53,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 592 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2025-02-06 13:51:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1928. [2025-02-06 13:51:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1850 states have (on average 1.2675675675675675) internal successors, (2345), 1874 states have internal predecessors, (2345), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 13:51:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2447 transitions. [2025-02-06 13:51:53,473 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2447 transitions. Word has length 97 [2025-02-06 13:51:53,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:53,473 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2447 transitions. [2025-02-06 13:51:53,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 13:51:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2447 transitions. [2025-02-06 13:51:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 13:51:53,474 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:53,474 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:53,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-06 13:51:53,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-02-06 13:51:53,676 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:53,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:53,676 INFO L85 PathProgramCache]: Analyzing trace with hash 948302957, now seen corresponding path program 1 times [2025-02-06 13:51:53,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:53,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89326869] [2025-02-06 13:51:53,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:53,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:53,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:51:53,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:53,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:53,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:53,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394216579] [2025-02-06 13:51:53,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:53,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:53,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:53,695 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:53,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-06 13:51:53,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:51:53,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:53,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:53,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:53,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:51:53,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:54,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:54,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89326869] [2025-02-06 13:51:54,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394216579] [2025-02-06 13:51:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394216579] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:54,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:54,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:51:54,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200310987] [2025-02-06 13:51:54,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:54,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:51:54,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:54,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:51:54,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:51:54,257 INFO L87 Difference]: Start difference. First operand 1928 states and 2447 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 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) [2025-02-06 13:51:54,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:54,904 INFO L93 Difference]: Finished difference Result 2343 states and 2995 transitions. [2025-02-06 13:51:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:51:54,905 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 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 98 [2025-02-06 13:51:54,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:54,910 INFO L225 Difference]: With dead ends: 2343 [2025-02-06 13:51:54,910 INFO L226 Difference]: Without dead ends: 2342 [2025-02-06 13:51:54,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:51:54,911 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 207 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:54,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 578 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:51:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2025-02-06 13:51:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2255. [2025-02-06 13:51:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2167 states have (on average 1.2694970004614674) internal successors, (2751), 2191 states have internal predecessors, (2751), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-02-06 13:51:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2873 transitions. [2025-02-06 13:51:55,075 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2873 transitions. Word has length 98 [2025-02-06 13:51:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:55,075 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2873 transitions. [2025-02-06 13:51:55,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 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) [2025-02-06 13:51:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2873 transitions. [2025-02-06 13:51:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 13:51:55,076 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:55,076 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:55,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-06 13:51:55,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-02-06 13:51:55,277 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:55,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:55,277 INFO L85 PathProgramCache]: Analyzing trace with hash 345766931, now seen corresponding path program 2 times [2025-02-06 13:51:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:55,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950372442] [2025-02-06 13:51:55,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:55,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:55,282 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-06 13:51:55,294 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:55,297 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:55,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164452792] [2025-02-06 13:51:55,299 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:51:55,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:55,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:55,303 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:55,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-06 13:51:55,331 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-06 13:51:55,379 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:55,379 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:51:55,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:55,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:51:55,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:51:55,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:56,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950372442] [2025-02-06 13:51:56,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164452792] [2025-02-06 13:51:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164452792] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:56,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:56,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:51:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706710562] [2025-02-06 13:51:56,110 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:56,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:51:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:56,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:51:56,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:51:56,111 INFO L87 Difference]: Start difference. First operand 2255 states and 2873 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 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) [2025-02-06 13:51:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:57,037 INFO L93 Difference]: Finished difference Result 2276 states and 2882 transitions. [2025-02-06 13:51:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:51:57,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 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 98 [2025-02-06 13:51:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:57,040 INFO L225 Difference]: With dead ends: 2276 [2025-02-06 13:51:57,040 INFO L226 Difference]: Without dead ends: 2275 [2025-02-06 13:51:57,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:51:57,041 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 138 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:57,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 643 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:51:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2025-02-06 13:51:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2255. [2025-02-06 13:51:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2167 states have (on average 1.2681125980618366) internal successors, (2748), 2191 states have internal predecessors, (2748), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-02-06 13:51:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2870 transitions. [2025-02-06 13:51:57,182 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2870 transitions. Word has length 98 [2025-02-06 13:51:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:57,183 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2870 transitions. [2025-02-06 13:51:57,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 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) [2025-02-06 13:51:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2870 transitions. [2025-02-06 13:51:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 13:51:57,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:57,184 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:57,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-06 13:51:57,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:57,385 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:51:57,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:57,385 INFO L85 PathProgramCache]: Analyzing trace with hash 143250580, now seen corresponding path program 1 times [2025-02-06 13:51:57,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:57,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49244038] [2025-02-06 13:51:57,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:57,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:57,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:51:57,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:57,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:57,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:57,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811057094] [2025-02-06 13:51:57,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:57,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:57,408 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:57,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-06 13:51:57,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:51:57,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:51:57,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:57,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:57,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 13:51:57,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:57,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:51:58,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49244038] [2025-02-06 13:51:58,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811057094] [2025-02-06 13:51:58,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811057094] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:58,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:58,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-02-06 13:51:58,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133089132] [2025-02-06 13:51:58,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:58,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 13:51:58,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:58,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 13:51:58,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:51:58,056 INFO L87 Difference]: Start difference. First operand 2255 states and 2870 transitions. Second operand has 19 states, 18 states have (on average 9.11111111111111) internal successors, (164), 19 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 13:51:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:59,664 INFO L93 Difference]: Finished difference Result 2699 states and 3431 transitions. [2025-02-06 13:51:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-06 13:51:59,664 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.11111111111111) internal successors, (164), 19 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 98 [2025-02-06 13:51:59,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:59,669 INFO L225 Difference]: With dead ends: 2699 [2025-02-06 13:51:59,670 INFO L226 Difference]: Without dead ends: 2697 [2025-02-06 13:51:59,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=943, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 13:51:59,671 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 699 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:59,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 546 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:51:59,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2025-02-06 13:51:59,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2465. [2025-02-06 13:51:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2367 states have (on average 1.2691170257710183) internal successors, (3004), 2391 states have internal predecessors, (3004), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 13:51:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3146 transitions. [2025-02-06 13:51:59,833 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3146 transitions. Word has length 98 [2025-02-06 13:51:59,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:59,833 INFO L471 AbstractCegarLoop]: Abstraction has 2465 states and 3146 transitions. [2025-02-06 13:51:59,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.11111111111111) internal successors, (164), 19 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 13:51:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3146 transitions. [2025-02-06 13:51:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:51:59,834 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:59,834 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:59,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-02-06 13:52:00,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-02-06 13:52:00,038 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:52:00,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -667379339, now seen corresponding path program 1 times [2025-02-06 13:52:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:00,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311001323] [2025-02-06 13:52:00,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:00,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:52:00,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:00,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:00,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:00,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967190792] [2025-02-06 13:52:00,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:00,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:00,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:00,065 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:52:00,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-06 13:52:00,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:52:00,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:00,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:00,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:00,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 13:52:00,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 13:52:00,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:13,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:13,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311001323] [2025-02-06 13:52:13,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:13,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967190792] [2025-02-06 13:52:13,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967190792] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:13,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:52:13,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-02-06 13:52:13,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827834627] [2025-02-06 13:52:13,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:13,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 13:52:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:13,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 13:52:13,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=512, Unknown=3, NotChecked=0, Total=600 [2025-02-06 13:52:13,137 INFO L87 Difference]: Start difference. First operand 2465 states and 3146 transitions. Second operand has 17 states, 16 states have (on average 5.5) internal successors, (88), 17 states have internal predecessors, (88), 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) [2025-02-06 13:52:14,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:14,237 INFO L93 Difference]: Finished difference Result 2511 states and 3194 transitions. [2025-02-06 13:52:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 13:52:14,238 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.5) internal successors, (88), 17 states have internal predecessors, (88), 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 99 [2025-02-06 13:52:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:14,243 INFO L225 Difference]: With dead ends: 2511 [2025-02-06 13:52:14,243 INFO L226 Difference]: Without dead ends: 2509 [2025-02-06 13:52:14,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=137, Invalid=730, Unknown=3, NotChecked=0, Total=870 [2025-02-06 13:52:14,244 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 230 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:14,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 702 Invalid, 2020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:52:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2025-02-06 13:52:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2465. [2025-02-06 13:52:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2367 states have (on average 1.2661596958174905) internal successors, (2997), 2391 states have internal predecessors, (2997), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 13:52:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3139 transitions. [2025-02-06 13:52:14,376 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3139 transitions. Word has length 99 [2025-02-06 13:52:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:14,376 INFO L471 AbstractCegarLoop]: Abstraction has 2465 states and 3139 transitions. [2025-02-06 13:52:14,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.5) internal successors, (88), 17 states have internal predecessors, (88), 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) [2025-02-06 13:52:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3139 transitions. [2025-02-06 13:52:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:52:14,376 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:14,377 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:52:14,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-06 13:52:14,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-02-06 13:52:14,577 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:52:14,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2128840335, now seen corresponding path program 2 times [2025-02-06 13:52:14,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:14,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075838021] [2025-02-06 13:52:14,578 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:52:14,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:14,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-02-06 13:52:14,588 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:14,589 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:52:14,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:14,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502733274] [2025-02-06 13:52:14,590 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:52:14,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:14,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:14,592 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:52:14,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-06 13:52:14,621 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-02-06 13:52:14,646 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:14,646 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:52:14,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:14,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:52:14,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:52:14,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:52:15,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:15,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075838021] [2025-02-06 13:52:15,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:15,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502733274] [2025-02-06 13:52:15,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502733274] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:15,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:15,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-06 13:52:15,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111283175] [2025-02-06 13:52:15,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:15,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 13:52:15,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:15,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 13:52:15,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:52:15,384 INFO L87 Difference]: Start difference. First operand 2465 states and 3139 transitions. Second operand has 20 states, 19 states have (on average 8.31578947368421) internal successors, (158), 20 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:52:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:17,398 INFO L93 Difference]: Finished difference Result 2661 states and 3376 transitions. [2025-02-06 13:52:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-02-06 13:52:17,399 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.31578947368421) internal successors, (158), 20 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2025-02-06 13:52:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:17,403 INFO L225 Difference]: With dead ends: 2661 [2025-02-06 13:52:17,403 INFO L226 Difference]: Without dead ends: 2659 [2025-02-06 13:52:17,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=548, Invalid=2532, Unknown=0, NotChecked=0, Total=3080 [2025-02-06 13:52:17,404 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 715 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:17,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 507 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:52:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2025-02-06 13:52:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2480. [2025-02-06 13:52:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 2382 states have (on average 1.262384550797649) internal successors, (3007), 2406 states have internal predecessors, (3007), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 13:52:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3149 transitions. [2025-02-06 13:52:17,577 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3149 transitions. Word has length 99 [2025-02-06 13:52:17,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:17,578 INFO L471 AbstractCegarLoop]: Abstraction has 2480 states and 3149 transitions. [2025-02-06 13:52:17,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.31578947368421) internal successors, (158), 20 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 13:52:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3149 transitions. [2025-02-06 13:52:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 13:52:17,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:17,579 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:52:17,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-02-06 13:52:17,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-02-06 13:52:17,783 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-06 13:52:17,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:17,783 INFO L85 PathProgramCache]: Analyzing trace with hash 937040123, now seen corresponding path program 1 times [2025-02-06 13:52:17,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:17,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401639137] [2025-02-06 13:52:17,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:17,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:17,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 13:52:17,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 13:52:17,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:17,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:17,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519199035] [2025-02-06 13:52:17,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:17,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:17,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:17,797 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:52:17,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-06 13:52:17,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 13:52:17,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 13:52:17,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:17,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:17,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:52:17,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:52:18,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 13:52:19,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:19,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401639137] [2025-02-06 13:52:19,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:19,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519199035] [2025-02-06 13:52:19,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519199035] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:19,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:19,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2025-02-06 13:52:19,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981633435] [2025-02-06 13:52:19,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:19,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 13:52:19,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:19,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 13:52:19,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-02-06 13:52:19,462 INFO L87 Difference]: Start difference. First operand 2480 states and 3149 transitions. Second operand has 25 states, 24 states have (on average 6.75) internal successors, (162), 25 states have internal predecessors, (162), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6)