./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.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 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:26:12,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:26:12,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:26:12,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:26:12,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:26:12,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:26:12,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:26:12,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:26:12,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:26:12,209 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:26:12,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:26:12,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:26:12,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:26:12,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:26:12,210 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:26:12,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:26:12,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:26:12,212 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:26:12,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:26:12,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:26:12,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:26:12,213 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 -> 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 [2025-02-08 09:26:12,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:26:12,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:26:12,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:26:12,455 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:26:12,456 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:26:12,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2025-02-08 09:26:13,717 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40353a9e2/9f415123687d452db4480fc27b58ae03/FLAGdf3daccb3 [2025-02-08 09:26:13,990 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:26:13,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2025-02-08 09:26:14,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40353a9e2/9f415123687d452db4480fc27b58ae03/FLAGdf3daccb3 [2025-02-08 09:26:14,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40353a9e2/9f415123687d452db4480fc27b58ae03 [2025-02-08 09:26:14,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:26:14,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:26:14,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:26:14,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:26:14,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:26:14,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4252e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14, skipping insertion in model container [2025-02-08 09:26:14,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:26:14,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:26:14,546 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:26:14,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:26:14,571 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:26:14,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14 WrapperNode [2025-02-08 09:26:14,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:26:14,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:26:14,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:26:14,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:26:14,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,612 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2025-02-08 09:26:14,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:26:14,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:26:14,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:26:14,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:26:14,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,635 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:26:14,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,642 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:26:14,653 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:26:14,653 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:26:14,653 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:26:14,654 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (1/1) ... [2025-02-08 09:26:14,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:26:14,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:14,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:26:14,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:26:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:26:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:26:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:26:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:26:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:26:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:26:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:26:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:26:14,763 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:26:14,768 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:26:15,208 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2025-02-08 09:26:15,208 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:26:15,219 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:26:15,219 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:26:15,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:26:15 BoogieIcfgContainer [2025-02-08 09:26:15,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:26:15,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:26:15,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:26:15,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:26:15,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:26:14" (1/3) ... [2025-02-08 09:26:15,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a749a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:26:15, skipping insertion in model container [2025-02-08 09:26:15,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:26:14" (2/3) ... [2025-02-08 09:26:15,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a749a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:26:15, skipping insertion in model container [2025-02-08 09:26:15,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:26:15" (3/3) ... [2025-02-08 09:26:15,226 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound10.c [2025-02-08 09:26:15,237 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:26:15,238 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_valuebound10.c that has 3 procedures, 159 locations, 1 initial locations, 2 loop locations, and 64 error locations. [2025-02-08 09:26:15,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:26:15,297 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;@3970f8d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:26:15,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2025-02-08 09:26:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 80 states have (on average 1.875) internal successors, (150), 145 states have internal predecessors, (150), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:26:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:26:15,307 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:15,307 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:15,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:15,312 INFO L85 PathProgramCache]: Analyzing trace with hash -53549714, now seen corresponding path program 1 times [2025-02-08 09:26:15,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:15,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049691860] [2025-02-08 09:26:15,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:15,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:15,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:26:15,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:26:15,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:15,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:26:15,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:15,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049691860] [2025-02-08 09:26:15,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049691860] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:15,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806066977] [2025-02-08 09:26:15,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:15,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:15,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:15,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:26:15,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:26:15,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:26:15,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:15,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:15,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:26:15,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:26:15,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:15,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806066977] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:15,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:15,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:26:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213063816] [2025-02-08 09:26:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:15,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:26:15,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:15,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:26:15,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:26:15,475 INFO L87 Difference]: Start difference. First operand has 159 states, 80 states have (on average 1.875) internal successors, (150), 145 states have internal predecessors, (150), 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) 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:26:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:15,495 INFO L93 Difference]: Finished difference Result 315 states and 357 transitions. [2025-02-08 09:26:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:26:15,496 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2025-02-08 09:26:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:15,501 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:26:15,501 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 09:26:15,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:26:15,505 INFO L435 NwaCegarLoop]: 169 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, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:15,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 09:26:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2025-02-08 09:26:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:26:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2025-02-08 09:26:15,566 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2025-02-08 09:26:15,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:15,566 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2025-02-08 09:26:15,566 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:26:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2025-02-08 09:26:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:26:15,571 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:15,571 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:15,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:15,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:26:15,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:15,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:15,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1469763024, now seen corresponding path program 1 times [2025-02-08 09:26:15,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:15,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756454427] [2025-02-08 09:26:15,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:15,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:26:15,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:26:15,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:15,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:15,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30126108] [2025-02-08 09:26:15,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:15,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:15,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:15,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:26:15,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:26:15,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:26:15,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:15,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:15,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:26:15,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:15,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:15,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:15,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756454427] [2025-02-08 09:26:15,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:15,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30126108] [2025-02-08 09:26:15,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30126108] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:15,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:15,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:26:15,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941560067] [2025-02-08 09:26:15,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:15,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:26:15,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:15,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:26:15,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:16,000 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:26:16,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:16,266 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2025-02-08 09:26:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2025-02-08 09:26:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:16,267 INFO L225 Difference]: With dead ends: 154 [2025-02-08 09:26:16,268 INFO L226 Difference]: Without dead ends: 152 [2025-02-08 09:26:16,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:16,268 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 196 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:16,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 239 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-08 09:26:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-02-08 09:26:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:26:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2025-02-08 09:26:16,276 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2025-02-08 09:26:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:16,277 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2025-02-08 09:26:16,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:26:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2025-02-08 09:26:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:26:16,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:16,278 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:16,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:26:16,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:16,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:16,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1681986398, now seen corresponding path program 1 times [2025-02-08 09:26:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:16,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677845445] [2025-02-08 09:26:16,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:16,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:26:16,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:26:16,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:16,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:16,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306989976] [2025-02-08 09:26:16,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:16,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:16,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:16,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:26:16,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:26:16,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:26:16,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:16,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:16,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:26:16,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:16,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:16,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:16,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677845445] [2025-02-08 09:26:16,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:16,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306989976] [2025-02-08 09:26:16,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306989976] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:16,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:16,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:26:16,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915213274] [2025-02-08 09:26:16,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:16,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:26:16,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:16,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:26:16,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:16,905 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:26:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:17,193 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2025-02-08 09:26:17,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:17,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2025-02-08 09:26:17,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:17,194 INFO L225 Difference]: With dead ends: 152 [2025-02-08 09:26:17,194 INFO L226 Difference]: Without dead ends: 151 [2025-02-08 09:26:17,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:17,195 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 103 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:17,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 239 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:17,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-08 09:26:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-02-08 09:26:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:26:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2025-02-08 09:26:17,203 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2025-02-08 09:26:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:17,204 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2025-02-08 09:26:17,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:26:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2025-02-08 09:26:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:26:17,205 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:17,205 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:17,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:17,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:17,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:17,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:17,412 INFO L85 PathProgramCache]: Analyzing trace with hash -719206046, now seen corresponding path program 1 times [2025-02-08 09:26:17,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:17,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283969937] [2025-02-08 09:26:17,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:17,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:17,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:26:17,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:26:17,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:17,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:17,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:17,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283969937] [2025-02-08 09:26:17,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283969937] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:17,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656275330] [2025-02-08 09:26:17,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:17,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:17,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:17,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:17,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:26:17,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:26:17,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:26:17,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:17,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:17,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:17,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:17,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656275330] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:17,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:17,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-02-08 09:26:17,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839659964] [2025-02-08 09:26:17,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:17,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:17,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:17,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:17,641 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:17,856 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2025-02-08 09:26:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:17,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-02-08 09:26:17,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:17,858 INFO L225 Difference]: With dead ends: 257 [2025-02-08 09:26:17,859 INFO L226 Difference]: Without dead ends: 247 [2025-02-08 09:26:17,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:17,860 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:17,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 218 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-02-08 09:26:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2025-02-08 09:26:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:26:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2025-02-08 09:26:17,876 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2025-02-08 09:26:17,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:17,877 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2025-02-08 09:26:17,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2025-02-08 09:26:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:26:17,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:17,878 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:17,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:18,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:18,079 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:18,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -820545671, now seen corresponding path program 1 times [2025-02-08 09:26:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114409411] [2025-02-08 09:26:18,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:18,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:26:18,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:26:18,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:18,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:18,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881378829] [2025-02-08 09:26:18,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:18,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:18,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:26:18,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:26:18,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:26:18,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:18,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:18,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:18,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:18,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:18,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114409411] [2025-02-08 09:26:18,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881378829] [2025-02-08 09:26:18,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881378829] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:18,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:18,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:18,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130495425] [2025-02-08 09:26:18,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:18,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:18,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:18,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:18,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:18,143 INFO L87 Difference]: Start difference. First operand 204 states and 254 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:26:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:18,228 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2025-02-08 09:26:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:18,228 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2025-02-08 09:26:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:18,230 INFO L225 Difference]: With dead ends: 350 [2025-02-08 09:26:18,230 INFO L226 Difference]: Without dead ends: 342 [2025-02-08 09:26:18,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:18,231 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:18,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 272 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-08 09:26:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2025-02-08 09:26:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2025-02-08 09:26:18,243 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2025-02-08 09:26:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:18,243 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2025-02-08 09:26:18,243 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:26:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2025-02-08 09:26:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:26:18,244 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:18,244 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:18,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:26:18,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:18,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:18,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 332724224, now seen corresponding path program 1 times [2025-02-08 09:26:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:18,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368694942] [2025-02-08 09:26:18,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:18,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:26:18,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:26:18,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:18,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:18,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:18,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368694942] [2025-02-08 09:26:18,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368694942] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:18,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249025037] [2025-02-08 09:26:18,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:18,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:18,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:18,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:18,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:26:18,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:26:18,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:26:18,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:18,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:18,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:18,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:18,681 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:18,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249025037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:18,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:18,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:18,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399874568] [2025-02-08 09:26:18,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:18,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:18,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:18,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:18,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:18,682 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:18,950 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2025-02-08 09:26:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:18,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2025-02-08 09:26:18,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:18,952 INFO L225 Difference]: With dead ends: 322 [2025-02-08 09:26:18,952 INFO L226 Difference]: Without dead ends: 321 [2025-02-08 09:26:18,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:18,953 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:18,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-02-08 09:26:18,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2025-02-08 09:26:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2025-02-08 09:26:18,964 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2025-02-08 09:26:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:18,964 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2025-02-08 09:26:18,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2025-02-08 09:26:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:26:18,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:18,965 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:18,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:26:19,170 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,SelfDestructingSolverStorable5 [2025-02-08 09:26:19,170 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:19,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:19,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1724516341, now seen corresponding path program 1 times [2025-02-08 09:26:19,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:19,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373453579] [2025-02-08 09:26:19,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:19,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:19,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:19,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:19,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:19,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:19,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373453579] [2025-02-08 09:26:19,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373453579] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:19,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507973454] [2025-02-08 09:26:19,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:19,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:19,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:26:19,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:19,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:19,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:19,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:19,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:19,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:19,315 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:19,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507973454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:19,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:19,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:19,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25493030] [2025-02-08 09:26:19,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:19,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:19,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:19,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:19,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:19,316 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:19,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:19,596 INFO L93 Difference]: Finished difference Result 322 states and 452 transitions. [2025-02-08 09:26:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:19,597 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2025-02-08 09:26:19,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:19,598 INFO L225 Difference]: With dead ends: 322 [2025-02-08 09:26:19,598 INFO L226 Difference]: Without dead ends: 321 [2025-02-08 09:26:19,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:19,599 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:19,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 201 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-02-08 09:26:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2025-02-08 09:26:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.759090909090909) internal successors, (387), 279 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2025-02-08 09:26:19,608 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 43 [2025-02-08 09:26:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:19,609 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2025-02-08 09:26:19,609 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:19,609 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2025-02-08 09:26:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:26:19,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:19,610 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:19,615 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 [2025-02-08 09:26:19,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:19,811 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:19,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1729595703, now seen corresponding path program 1 times [2025-02-08 09:26:19,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:19,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849512849] [2025-02-08 09:26:19,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:19,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:19,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:19,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:19,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:19,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:19,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849512849] [2025-02-08 09:26:19,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849512849] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:19,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269725883] [2025-02-08 09:26:19,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:19,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:19,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:19,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:26:19,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:19,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:19,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:19,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:19,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:26:19,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:19,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269725883] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:19,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:19,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-02-08 09:26:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421055932] [2025-02-08 09:26:19,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:19,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:19,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:19,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:26:19,985 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:20,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:20,443 INFO L93 Difference]: Finished difference Result 384 states and 451 transitions. [2025-02-08 09:26:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:20,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2025-02-08 09:26:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:20,445 INFO L225 Difference]: With dead ends: 384 [2025-02-08 09:26:20,445 INFO L226 Difference]: Without dead ends: 383 [2025-02-08 09:26:20,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:26:20,445 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 429 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:20,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 310 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-08 09:26:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2025-02-08 09:26:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2025-02-08 09:26:20,455 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2025-02-08 09:26:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:20,455 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2025-02-08 09:26:20,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2025-02-08 09:26:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:26:20,456 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:20,456 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:20,462 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 [2025-02-08 09:26:20,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:20,657 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:20,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1920399006, now seen corresponding path program 1 times [2025-02-08 09:26:20,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764736891] [2025-02-08 09:26:20,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:20,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:20,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:20,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:20,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:20,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:20,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764736891] [2025-02-08 09:26:20,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764736891] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:20,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027468081] [2025-02-08 09:26:20,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:20,762 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:20,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:26:20,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:20,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:20,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:20,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:20,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:20,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:20,830 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:20,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027468081] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:20,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:20,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:20,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183496059] [2025-02-08 09:26:20,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:20,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:20,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:20,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:20,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:20,833 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:21,081 INFO L93 Difference]: Finished difference Result 355 states and 460 transitions. [2025-02-08 09:26:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:21,082 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2025-02-08 09:26:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:21,083 INFO L225 Difference]: With dead ends: 355 [2025-02-08 09:26:21,084 INFO L226 Difference]: Without dead ends: 351 [2025-02-08 09:26:21,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:21,084 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 147 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:21,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 228 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:21,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-08 09:26:21,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 306. [2025-02-08 09:26:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7285067873303168) internal successors, (382), 280 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 428 transitions. [2025-02-08 09:26:21,097 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 428 transitions. Word has length 44 [2025-02-08 09:26:21,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:21,097 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 428 transitions. [2025-02-08 09:26:21,097 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 428 transitions. [2025-02-08 09:26:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:26:21,098 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:21,098 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:21,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:21,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:21,303 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:21,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2077859333, now seen corresponding path program 1 times [2025-02-08 09:26:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:21,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665073845] [2025-02-08 09:26:21,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:21,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:21,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:21,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:21,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30909149] [2025-02-08 09:26:21,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:21,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:21,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:26:21,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:21,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:21,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:21,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:26:21,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:21,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:21,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665073845] [2025-02-08 09:26:21,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30909149] [2025-02-08 09:26:21,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30909149] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:21,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:21,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016407291] [2025-02-08 09:26:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:21,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:21,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:21,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:21,427 INFO L87 Difference]: Start difference. First operand 306 states and 428 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:21,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:21,803 INFO L93 Difference]: Finished difference Result 378 states and 444 transitions. [2025-02-08 09:26:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:21,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2025-02-08 09:26:21,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:21,805 INFO L225 Difference]: With dead ends: 378 [2025-02-08 09:26:21,805 INFO L226 Difference]: Without dead ends: 377 [2025-02-08 09:26:21,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:21,806 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 444 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:21,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 288 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-02-08 09:26:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 306. [2025-02-08 09:26:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2025-02-08 09:26:21,824 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2025-02-08 09:26:21,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:21,824 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2025-02-08 09:26:21,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2025-02-08 09:26:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:26:21,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:21,826 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:21,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:26:22,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:26:22,027 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:22,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash -597172973, now seen corresponding path program 1 times [2025-02-08 09:26:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:22,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980898379] [2025-02-08 09:26:22,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:22,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:26:22,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:26:22,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:22,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:22,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980898379] [2025-02-08 09:26:22,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980898379] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534659722] [2025-02-08 09:26:22,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:22,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:22,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:22,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:26:22,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:26:22,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:26:22,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:22,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:22,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:22,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:22,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:22,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534659722] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:22,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:22,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557962501] [2025-02-08 09:26:22,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:22,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:22,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:22,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:22,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:22,258 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:22,740 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2025-02-08 09:26:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:22,740 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-02-08 09:26:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:22,742 INFO L225 Difference]: With dead ends: 353 [2025-02-08 09:26:22,743 INFO L226 Difference]: Without dead ends: 349 [2025-02-08 09:26:22,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:22,743 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 144 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:22,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 232 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-02-08 09:26:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2025-02-08 09:26:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2025-02-08 09:26:22,759 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2025-02-08 09:26:22,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:22,760 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2025-02-08 09:26:22,760 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2025-02-08 09:26:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:26:22,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:22,761 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:22,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:26:22,963 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,SelfDestructingSolverStorable10 [2025-02-08 09:26:22,963 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:22,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:22,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1822044157, now seen corresponding path program 1 times [2025-02-08 09:26:22,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:22,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589708930] [2025-02-08 09:26:22,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:22,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:26:22,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:26:22,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:22,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:22,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453271291] [2025-02-08 09:26:22,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:22,983 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:22,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:26:23,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:26:23,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:26:23,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:23,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:23,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:23,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:23,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:23,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589708930] [2025-02-08 09:26:23,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:23,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453271291] [2025-02-08 09:26:23,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453271291] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:23,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:23,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:23,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766017184] [2025-02-08 09:26:23,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:23,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:23,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:23,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:23,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:23,048 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:23,096 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2025-02-08 09:26:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:23,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2025-02-08 09:26:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:23,098 INFO L225 Difference]: With dead ends: 355 [2025-02-08 09:26:23,098 INFO L226 Difference]: Without dead ends: 351 [2025-02-08 09:26:23,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:23,099 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:23,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 286 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-08 09:26:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2025-02-08 09:26:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:26:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2025-02-08 09:26:23,112 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2025-02-08 09:26:23,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:23,112 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2025-02-08 09:26:23,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2025-02-08 09:26:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:26:23,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:23,113 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:23,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:23,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:23,318 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:23,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:23,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1358513718, now seen corresponding path program 1 times [2025-02-08 09:26:23,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:23,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135670076] [2025-02-08 09:26:23,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:23,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:26:23,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:26:23,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:23,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135670076] [2025-02-08 09:26:23,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135670076] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130168470] [2025-02-08 09:26:23,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:23,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:23,407 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:23,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:26:23,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:26:23,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:26:23,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:23,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:23,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:23,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:23,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130168470] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:23,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:23,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:23,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837057196] [2025-02-08 09:26:23,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:23,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:23,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:23,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:23,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:23,544 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:23,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:23,739 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2025-02-08 09:26:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:23,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2025-02-08 09:26:23,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:23,741 INFO L225 Difference]: With dead ends: 333 [2025-02-08 09:26:23,741 INFO L226 Difference]: Without dead ends: 331 [2025-02-08 09:26:23,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:23,742 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 166 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:23,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 215 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-02-08 09:26:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2025-02-08 09:26:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:26:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2025-02-08 09:26:23,754 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2025-02-08 09:26:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:23,754 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2025-02-08 09:26:23,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2025-02-08 09:26:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:26:23,755 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:23,755 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:23,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:23,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:23,956 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:23,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash -835747722, now seen corresponding path program 1 times [2025-02-08 09:26:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097450710] [2025-02-08 09:26:23,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:23,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:26:23,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:26:23,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-08 09:26:24,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:24,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097450710] [2025-02-08 09:26:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097450710] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:24,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573706807] [2025-02-08 09:26:24,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:24,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:24,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:24,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:24,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:26:24,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:26:24,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:26:24,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:24,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:24,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:24,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:24,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:24,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573706807] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:24,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:24,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709422670] [2025-02-08 09:26:24,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:24,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:24,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:24,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:24,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:24,115 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:24,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:24,237 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2025-02-08 09:26:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:24,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2025-02-08 09:26:24,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:24,239 INFO L225 Difference]: With dead ends: 333 [2025-02-08 09:26:24,240 INFO L226 Difference]: Without dead ends: 331 [2025-02-08 09:26:24,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:24,241 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:24,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 198 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-02-08 09:26:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2025-02-08 09:26:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:26:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2025-02-08 09:26:24,252 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2025-02-08 09:26:24,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:24,252 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2025-02-08 09:26:24,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2025-02-08 09:26:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:26:24,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:24,253 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:24,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:26:24,454 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,SelfDestructingSolverStorable13 [2025-02-08 09:26:24,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:24,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:24,454 INFO L85 PathProgramCache]: Analyzing trace with hash -867111873, now seen corresponding path program 1 times [2025-02-08 09:26:24,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:24,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939023951] [2025-02-08 09:26:24,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:24,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:26:24,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:26:24,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:24,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526852877] [2025-02-08 09:26:24,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:24,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:24,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:24,469 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:24,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:26:24,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:26:24,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:26:24,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:24,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:24,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:24,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:24,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:24,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:24,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939023951] [2025-02-08 09:26:24,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:24,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526852877] [2025-02-08 09:26:24,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526852877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:24,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:24,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:24,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679150415] [2025-02-08 09:26:24,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:24,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:24,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:24,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:24,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:24,530 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:24,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:24,638 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2025-02-08 09:26:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:24,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2025-02-08 09:26:24,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:24,640 INFO L225 Difference]: With dead ends: 349 [2025-02-08 09:26:24,640 INFO L226 Difference]: Without dead ends: 347 [2025-02-08 09:26:24,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:24,640 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 137 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:24,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 288 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:24,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-08 09:26:24,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2025-02-08 09:26:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:26:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2025-02-08 09:26:24,649 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2025-02-08 09:26:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:24,650 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2025-02-08 09:26:24,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2025-02-08 09:26:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:26:24,650 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:24,650 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:24,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:24,851 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,SelfDestructingSolverStorable14 [2025-02-08 09:26:24,851 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:24,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1110664208, now seen corresponding path program 1 times [2025-02-08 09:26:24,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:24,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852801351] [2025-02-08 09:26:24,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:24,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:26:24,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:26:24,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:24,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:24,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951101414] [2025-02-08 09:26:24,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:24,865 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:24,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:26:24,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:26:24,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:26:24,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:24,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:24,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:24,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:24,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:24,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852801351] [2025-02-08 09:26:24,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951101414] [2025-02-08 09:26:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951101414] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:24,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:24,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:24,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630752797] [2025-02-08 09:26:24,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:24,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:24,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:24,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:24,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:24,963 INFO L87 Difference]: Start difference. First operand 313 states and 420 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:25,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:25,266 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2025-02-08 09:26:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:25,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2025-02-08 09:26:25,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:25,268 INFO L225 Difference]: With dead ends: 349 [2025-02-08 09:26:25,268 INFO L226 Difference]: Without dead ends: 334 [2025-02-08 09:26:25,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:25,269 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 82 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:25,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 368 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-02-08 09:26:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2025-02-08 09:26:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2025-02-08 09:26:25,277 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2025-02-08 09:26:25,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:25,277 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2025-02-08 09:26:25,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2025-02-08 09:26:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:26:25,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:25,278 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:25,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:25,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:25,482 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:25,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:25,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1843811363, now seen corresponding path program 1 times [2025-02-08 09:26:25,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:25,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558816714] [2025-02-08 09:26:25,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:25,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:26:25,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:26:25,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:25,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [127457808] [2025-02-08 09:26:25,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:25,499 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:25,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:26:25,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:26:25,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:26:25,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:25,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:25,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:25,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:26:25,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:25,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558816714] [2025-02-08 09:26:25,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127457808] [2025-02-08 09:26:25,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127457808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:25,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:25,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726331318] [2025-02-08 09:26:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:25,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:25,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:25,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:25,603 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:25,770 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2025-02-08 09:26:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:25,770 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2025-02-08 09:26:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:25,772 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:26:25,772 INFO L226 Difference]: Without dead ends: 324 [2025-02-08 09:26:25,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:25,772 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:25,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 156 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:25,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-08 09:26:25,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2025-02-08 09:26:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2025-02-08 09:26:25,791 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2025-02-08 09:26:25,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:25,791 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2025-02-08 09:26:25,791 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2025-02-08 09:26:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:26:25,792 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:25,792 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:25,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:26:25,992 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,SelfDestructingSolverStorable16 [2025-02-08 09:26:25,993 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:25,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:25,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1323577475, now seen corresponding path program 1 times [2025-02-08 09:26:25,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:25,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615922225] [2025-02-08 09:26:25,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:25,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:26:26,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:26:26,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:26,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:26,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657937882] [2025-02-08 09:26:26,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:26,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:26,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:26,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:26,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:26:26,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:26:26,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:26:26,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:26,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:26,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:26,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:26:26,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:26,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615922225] [2025-02-08 09:26:26,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:26,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657937882] [2025-02-08 09:26:26,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657937882] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:26,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:26,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:26,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143601949] [2025-02-08 09:26:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:26,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:26,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:26,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:26,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:26,096 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:26,226 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2025-02-08 09:26:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:26,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2025-02-08 09:26:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:26,228 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:26:26,228 INFO L226 Difference]: Without dead ends: 324 [2025-02-08 09:26:26,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:26,229 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 205 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:26,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 156 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-08 09:26:26,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2025-02-08 09:26:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2025-02-08 09:26:26,238 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2025-02-08 09:26:26,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:26,238 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2025-02-08 09:26:26,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2025-02-08 09:26:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-08 09:26:26,240 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:26,240 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:26,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:26,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:26:26,441 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:26,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:26,441 INFO L85 PathProgramCache]: Analyzing trace with hash 781158027, now seen corresponding path program 1 times [2025-02-08 09:26:26,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:26,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823256646] [2025-02-08 09:26:26,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:26,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:26:26,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:26:26,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:26,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615049053] [2025-02-08 09:26:26,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:26,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:26,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:26,456 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:26,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:26:26,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:26:26,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:26:26,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:26,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:26,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:26,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-08 09:26:26,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823256646] [2025-02-08 09:26:26,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615049053] [2025-02-08 09:26:26,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615049053] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:26,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:26,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144044180] [2025-02-08 09:26:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:26,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:26,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:26,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:26,599 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:26,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:26,739 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2025-02-08 09:26:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:26,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2025-02-08 09:26:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:26,740 INFO L225 Difference]: With dead ends: 327 [2025-02-08 09:26:26,740 INFO L226 Difference]: Without dead ends: 326 [2025-02-08 09:26:26,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:26,741 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 44 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:26,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 326 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:26,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-08 09:26:26,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2025-02-08 09:26:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2025-02-08 09:26:26,751 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2025-02-08 09:26:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:26,751 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2025-02-08 09:26:26,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2025-02-08 09:26:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 09:26:26,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:26,752 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:26,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:26,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:26,957 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:26,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1553904882, now seen corresponding path program 1 times [2025-02-08 09:26:26,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:26,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450218614] [2025-02-08 09:26:26,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:26,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:26:26,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:26:26,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:26,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:26,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255167435] [2025-02-08 09:26:26,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:26,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:26,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:26,973 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:26,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:26:26,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:26:27,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:26:27,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:27,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:27,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:27,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-08 09:26:28,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:28,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:28,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450218614] [2025-02-08 09:26:28,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:28,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255167435] [2025-02-08 09:26:28,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255167435] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:28,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:28,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:28,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106900404] [2025-02-08 09:26:28,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:28,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:28,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:28,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:28,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-08 09:26:28,046 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:32,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:26:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:34,088 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2025-02-08 09:26:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:34,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2025-02-08 09:26:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:34,090 INFO L225 Difference]: With dead ends: 327 [2025-02-08 09:26:34,090 INFO L226 Difference]: Without dead ends: 326 [2025-02-08 09:26:34,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-08 09:26:34,090 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 43 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:34,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 324 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 6.0s Time] [2025-02-08 09:26:34,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-08 09:26:34,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2025-02-08 09:26:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2025-02-08 09:26:34,121 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2025-02-08 09:26:34,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:34,122 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2025-02-08 09:26:34,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2025-02-08 09:26:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:26:34,122 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:34,122 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:34,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:34,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:34,324 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:34,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:34,324 INFO L85 PathProgramCache]: Analyzing trace with hash -926411031, now seen corresponding path program 1 times [2025-02-08 09:26:34,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:34,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307468453] [2025-02-08 09:26:34,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:34,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:26:34,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:26:34,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:34,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011247465] [2025-02-08 09:26:34,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:34,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:34,342 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:34,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:26:34,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:26:34,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:26:34,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:34,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:34,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-08 09:26:34,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307468453] [2025-02-08 09:26:34,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011247465] [2025-02-08 09:26:34,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011247465] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:34,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:34,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:34,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051816581] [2025-02-08 09:26:34,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:34,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:34,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:34,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:34,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:34,439 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:34,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:34,695 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2025-02-08 09:26:34,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:34,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2025-02-08 09:26:34,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:34,697 INFO L225 Difference]: With dead ends: 320 [2025-02-08 09:26:34,697 INFO L226 Difference]: Without dead ends: 318 [2025-02-08 09:26:34,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:34,697 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 55 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:34,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 324 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:34,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-02-08 09:26:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2025-02-08 09:26:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2025-02-08 09:26:34,707 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2025-02-08 09:26:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:34,707 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2025-02-08 09:26:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2025-02-08 09:26:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:26:34,709 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:34,709 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:34,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:26:34,909 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,SelfDestructingSolverStorable20 [2025-02-08 09:26:34,910 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:34,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1346029164, now seen corresponding path program 1 times [2025-02-08 09:26:34,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:34,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919873729] [2025-02-08 09:26:34,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:34,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:26:34,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:26:34,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:34,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767225934] [2025-02-08 09:26:34,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:34,922 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:34,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:26:34,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:26:34,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:26:34,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:34,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:34,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-08 09:26:35,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:35,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919873729] [2025-02-08 09:26:35,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767225934] [2025-02-08 09:26:35,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767225934] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:35,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:35,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:35,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635194770] [2025-02-08 09:26:35,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:35,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:35,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:35,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:35,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:35,026 INFO L87 Difference]: Start difference. First operand 301 states and 394 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:35,213 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2025-02-08 09:26:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:35,213 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2025-02-08 09:26:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:35,215 INFO L225 Difference]: With dead ends: 320 [2025-02-08 09:26:35,215 INFO L226 Difference]: Without dead ends: 318 [2025-02-08 09:26:35,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:35,219 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:35,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 264 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-02-08 09:26:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2025-02-08 09:26:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2025-02-08 09:26:35,228 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2025-02-08 09:26:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:35,229 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2025-02-08 09:26:35,229 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2025-02-08 09:26:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:26:35,229 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:35,229 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:35,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:35,434 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,SelfDestructingSolverStorable21 [2025-02-08 09:26:35,434 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:35,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1589774339, now seen corresponding path program 1 times [2025-02-08 09:26:35,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:35,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308018381] [2025-02-08 09:26:35,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:35,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:35,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:26:35,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:26:35,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:35,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:35,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811923418] [2025-02-08 09:26:35,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:35,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:35,447 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:35,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:26:35,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:26:35,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:26:35,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:35,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:35,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:26:35,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-08 09:26:35,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-08 09:26:35,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:35,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308018381] [2025-02-08 09:26:35,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:35,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811923418] [2025-02-08 09:26:35,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811923418] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:35,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:35,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 09:26:35,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704130814] [2025-02-08 09:26:35,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:35,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:35,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:35,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:35,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:35,728 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:26:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:36,244 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2025-02-08 09:26:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 82 [2025-02-08 09:26:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:36,245 INFO L225 Difference]: With dead ends: 319 [2025-02-08 09:26:36,245 INFO L226 Difference]: Without dead ends: 318 [2025-02-08 09:26:36,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:36,246 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 192 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:36,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 496 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-02-08 09:26:36,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2025-02-08 09:26:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2025-02-08 09:26:36,255 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2025-02-08 09:26:36,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:36,255 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2025-02-08 09:26:36,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:26:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2025-02-08 09:26:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 09:26:36,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:36,256 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:36,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:26:36,457 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,SelfDestructingSolverStorable22 [2025-02-08 09:26:36,457 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:36,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:36,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2038364294, now seen corresponding path program 1 times [2025-02-08 09:26:36,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:36,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216806605] [2025-02-08 09:26:36,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:36,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:36,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:26:36,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:26:36,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:36,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:36,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100897855] [2025-02-08 09:26:36,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:36,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:36,472 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:36,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:26:36,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:26:36,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:26:36,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:36,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:36,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:26:36,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:36,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:37,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:37,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216806605] [2025-02-08 09:26:37,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:37,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100897855] [2025-02-08 09:26:37,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100897855] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:37,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:37,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:26:37,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141561690] [2025-02-08 09:26:37,107 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:37,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:26:37,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:37,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:26:37,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:37,108 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:26:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:37,335 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2025-02-08 09:26:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:37,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2025-02-08 09:26:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:37,336 INFO L225 Difference]: With dead ends: 305 [2025-02-08 09:26:37,336 INFO L226 Difference]: Without dead ends: 304 [2025-02-08 09:26:37,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:37,337 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 265 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:37,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 305 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:37,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-02-08 09:26:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2025-02-08 09:26:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2025-02-08 09:26:37,348 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2025-02-08 09:26:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:37,351 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2025-02-08 09:26:37,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:26:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2025-02-08 09:26:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:26:37,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:37,351 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:37,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:37,552 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,SelfDestructingSolverStorable23 [2025-02-08 09:26:37,552 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:37,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:37,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1235216287, now seen corresponding path program 1 times [2025-02-08 09:26:37,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:37,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970831823] [2025-02-08 09:26:37,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:37,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:26:37,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:26:37,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:37,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738226350] [2025-02-08 09:26:37,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:37,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:37,568 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:37,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:26:37,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:26:37,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:26:37,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:37,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:37,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:26:37,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-08 09:26:37,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:42,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:42,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970831823] [2025-02-08 09:26:42,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:42,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738226350] [2025-02-08 09:26:42,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738226350] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:42,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:42,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:42,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059065517] [2025-02-08 09:26:42,192 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:42,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:42,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:42,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:42,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:26:42,192 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:42,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:42,654 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2025-02-08 09:26:42,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:42,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2025-02-08 09:26:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:42,656 INFO L225 Difference]: With dead ends: 319 [2025-02-08 09:26:42,656 INFO L226 Difference]: Without dead ends: 316 [2025-02-08 09:26:42,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:26:42,657 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 199 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:42,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 302 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-08 09:26:42,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2025-02-08 09:26:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2025-02-08 09:26:42,667 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2025-02-08 09:26:42,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:42,667 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2025-02-08 09:26:42,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:26:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2025-02-08 09:26:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 09:26:42,671 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:42,671 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:42,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:26:42,871 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,SelfDestructingSolverStorable24 [2025-02-08 09:26:42,872 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:42,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash 363000804, now seen corresponding path program 1 times [2025-02-08 09:26:42,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:42,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429484733] [2025-02-08 09:26:42,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:42,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:26:42,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:26:42,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:42,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:42,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044365695] [2025-02-08 09:26:42,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:42,900 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:42,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:26:42,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:26:42,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:26:42,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:42,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:42,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:26:42,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:43,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:43,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:43,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429484733] [2025-02-08 09:26:43,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:43,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044365695] [2025-02-08 09:26:43,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044365695] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:43,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:43,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702944248] [2025-02-08 09:26:43,421 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:43,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:43,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:43,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:43,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:43,422 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:26:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:43,763 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2025-02-08 09:26:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:43,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2025-02-08 09:26:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:43,764 INFO L225 Difference]: With dead ends: 309 [2025-02-08 09:26:43,764 INFO L226 Difference]: Without dead ends: 306 [2025-02-08 09:26:43,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:43,765 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 260 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:43,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 225 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-02-08 09:26:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2025-02-08 09:26:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2025-02-08 09:26:43,778 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2025-02-08 09:26:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:43,779 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2025-02-08 09:26:43,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:26:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2025-02-08 09:26:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:26:43,779 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:43,779 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:43,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:26:43,979 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,SelfDestructingSolverStorable25 [2025-02-08 09:26:43,980 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:43,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:43,981 INFO L85 PathProgramCache]: Analyzing trace with hash -731878322, now seen corresponding path program 1 times [2025-02-08 09:26:43,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:43,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388812066] [2025-02-08 09:26:43,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:43,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:26:43,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:26:43,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:43,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:44,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:44,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388812066] [2025-02-08 09:26:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388812066] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:44,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:44,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:44,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123898263] [2025-02-08 09:26:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:44,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:44,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:44,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:44,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:44,036 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-08 09:26:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:44,074 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2025-02-08 09:26:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:44,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2025-02-08 09:26:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:44,075 INFO L225 Difference]: With dead ends: 301 [2025-02-08 09:26:44,075 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:26:44,075 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 [2025-02-08 09:26:44,076 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:44,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 283 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:26:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2025-02-08 09:26:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2025-02-08 09:26:44,085 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2025-02-08 09:26:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:44,085 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2025-02-08 09:26:44,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-08 09:26:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2025-02-08 09:26:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 09:26:44,086 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:44,087 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:44,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-08 09:26:44,087 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1213391484, now seen corresponding path program 1 times [2025-02-08 09:26:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616061426] [2025-02-08 09:26:44,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:44,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:26:44,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:26:44,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:44,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:44,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:44,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616061426] [2025-02-08 09:26:44,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616061426] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:44,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:26:44,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031466118] [2025-02-08 09:26:44,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:44,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:44,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:44,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:44,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:26:44,162 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:44,590 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2025-02-08 09:26:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2025-02-08 09:26:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:44,591 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:26:44,591 INFO L226 Difference]: Without dead ends: 303 [2025-02-08 09:26:44,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:44,591 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 461 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:44,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 218 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:44,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-08 09:26:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2025-02-08 09:26:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2025-02-08 09:26:44,600 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2025-02-08 09:26:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:44,600 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2025-02-08 09:26:44,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2025-02-08 09:26:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:26:44,601 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:44,601 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:44,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-08 09:26:44,601 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:44,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:44,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2134217407, now seen corresponding path program 1 times [2025-02-08 09:26:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:44,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635074740] [2025-02-08 09:26:44,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:44,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:26:44,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:26:44,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:44,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:44,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:44,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635074740] [2025-02-08 09:26:44,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635074740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:44,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:44,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527040889] [2025-02-08 09:26:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:44,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:44,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:44,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:44,685 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:44,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:44,725 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2025-02-08 09:26:44,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:44,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2025-02-08 09:26:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:44,726 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:26:44,726 INFO L226 Difference]: Without dead ends: 314 [2025-02-08 09:26:44,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:44,729 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 14 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:44,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 431 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-08 09:26:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2025-02-08 09:26:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2025-02-08 09:26:44,759 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2025-02-08 09:26:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:44,759 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2025-02-08 09:26:44,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2025-02-08 09:26:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 09:26:44,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:44,760 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:44,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-08 09:26:44,760 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:44,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1736230172, now seen corresponding path program 1 times [2025-02-08 09:26:44,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:44,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252719849] [2025-02-08 09:26:44,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:44,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:26:44,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:26:44,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:44,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:44,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723167709] [2025-02-08 09:26:44,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:44,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:44,782 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:44,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:26:44,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:26:44,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:26:44,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:44,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:44,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:44,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:44,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:44,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:44,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252719849] [2025-02-08 09:26:44,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:44,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723167709] [2025-02-08 09:26:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723167709] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:44,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:44,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750517671] [2025-02-08 09:26:44,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:44,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:44,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:44,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:44,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:44,937 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:45,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:45,130 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2025-02-08 09:26:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2025-02-08 09:26:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:45,132 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:26:45,132 INFO L226 Difference]: Without dead ends: 314 [2025-02-08 09:26:45,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:45,132 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 15 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:45,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 310 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-08 09:26:45,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2025-02-08 09:26:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2025-02-08 09:26:45,142 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2025-02-08 09:26:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:45,142 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2025-02-08 09:26:45,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2025-02-08 09:26:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:26:45,143 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:45,143 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:45,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:45,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:45,344 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:45,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1188937088, now seen corresponding path program 1 times [2025-02-08 09:26:45,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:45,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864670885] [2025-02-08 09:26:45,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:45,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:26:45,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:26:45,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:45,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035691997] [2025-02-08 09:26:45,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:45,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:45,356 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:45,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:26:45,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:26:45,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:26:45,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:45,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:45,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:26:45,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:45,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864670885] [2025-02-08 09:26:45,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035691997] [2025-02-08 09:26:45,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035691997] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:45,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:45,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789872125] [2025-02-08 09:26:45,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:45,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:45,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:45,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:45,581 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:45,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:45,978 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2025-02-08 09:26:45,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:45,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2025-02-08 09:26:45,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:45,980 INFO L225 Difference]: With dead ends: 310 [2025-02-08 09:26:45,980 INFO L226 Difference]: Without dead ends: 308 [2025-02-08 09:26:45,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:45,980 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 197 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:45,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 480 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-02-08 09:26:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2025-02-08 09:26:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:26:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2025-02-08 09:26:45,989 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2025-02-08 09:26:45,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:45,990 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2025-02-08 09:26:45,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2025-02-08 09:26:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 09:26:45,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:45,991 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:45,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:46,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:46,195 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:46,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:46,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1797656032, now seen corresponding path program 1 times [2025-02-08 09:26:46,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:46,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692865125] [2025-02-08 09:26:46,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:46,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:46,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:26:46,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:26:46,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:46,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:46,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528505261] [2025-02-08 09:26:46,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:46,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:46,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:46,209 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:46,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:26:46,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:26:46,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:26:46,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:46,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:46,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:26:46,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:26:46,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:46,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692865125] [2025-02-08 09:26:46,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528505261] [2025-02-08 09:26:46,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528505261] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:46,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:46,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:26:46,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471243053] [2025-02-08 09:26:46,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:46,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:46,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:46,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:46,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:46,614 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:46,966 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2025-02-08 09:26:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:46,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2025-02-08 09:26:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:46,967 INFO L225 Difference]: With dead ends: 357 [2025-02-08 09:26:46,967 INFO L226 Difference]: Without dead ends: 355 [2025-02-08 09:26:46,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:46,968 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 251 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:46,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 436 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-08 09:26:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2025-02-08 09:26:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:26:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2025-02-08 09:26:46,980 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2025-02-08 09:26:46,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:46,980 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2025-02-08 09:26:46,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2025-02-08 09:26:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:26:46,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:46,981 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:46,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:26:47,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:47,182 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:47,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash 258094589, now seen corresponding path program 1 times [2025-02-08 09:26:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767663354] [2025-02-08 09:26:47,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:47,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:26:47,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:26:47,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:47,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:47,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767663354] [2025-02-08 09:26:47,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767663354] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:47,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:47,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031692554] [2025-02-08 09:26:47,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:47,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:47,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:47,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:47,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:47,249 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:47,317 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2025-02-08 09:26:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:47,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2025-02-08 09:26:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:47,318 INFO L225 Difference]: With dead ends: 367 [2025-02-08 09:26:47,319 INFO L226 Difference]: Without dead ends: 366 [2025-02-08 09:26:47,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:47,319 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 14 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:47,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 433 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-02-08 09:26:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2025-02-08 09:26:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:26:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2025-02-08 09:26:47,330 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2025-02-08 09:26:47,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:47,330 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2025-02-08 09:26:47,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2025-02-08 09:26:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:26:47,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:47,331 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:47,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-02-08 09:26:47,331 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:47,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash -107237762, now seen corresponding path program 1 times [2025-02-08 09:26:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:47,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105774191] [2025-02-08 09:26:47,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:47,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:26:47,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:26:47,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:47,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105774191] [2025-02-08 09:26:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105774191] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:47,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:47,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:47,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148916325] [2025-02-08 09:26:47,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:47,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:47,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:47,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:47,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:47,372 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-08 09:26:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:47,647 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2025-02-08 09:26:47,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:47,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2025-02-08 09:26:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:47,649 INFO L225 Difference]: With dead ends: 390 [2025-02-08 09:26:47,649 INFO L226 Difference]: Without dead ends: 389 [2025-02-08 09:26:47,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:47,649 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:47,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 553 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-02-08 09:26:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2025-02-08 09:26:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:26:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2025-02-08 09:26:47,661 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2025-02-08 09:26:47,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:47,661 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2025-02-08 09:26:47,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-08 09:26:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2025-02-08 09:26:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 09:26:47,662 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:47,662 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:47,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-08 09:26:47,662 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:47,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash -589002336, now seen corresponding path program 1 times [2025-02-08 09:26:47,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:47,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366304855] [2025-02-08 09:26:47,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:47,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:47,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:47,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694721206] [2025-02-08 09:26:47,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:47,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:47,675 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:47,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:26:47,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:47,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:47,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:47,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:47,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:47,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:47,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366304855] [2025-02-08 09:26:47,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694721206] [2025-02-08 09:26:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694721206] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:47,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:47,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:47,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849497056] [2025-02-08 09:26:47,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:47,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:47,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:47,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:47,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:47,830 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:47,934 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2025-02-08 09:26:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2025-02-08 09:26:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:47,936 INFO L225 Difference]: With dead ends: 365 [2025-02-08 09:26:47,936 INFO L226 Difference]: Without dead ends: 364 [2025-02-08 09:26:47,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:47,936 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 60 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:47,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 438 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-02-08 09:26:47,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2025-02-08 09:26:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:26:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2025-02-08 09:26:47,948 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2025-02-08 09:26:47,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:47,949 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2025-02-08 09:26:47,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2025-02-08 09:26:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 09:26:47,949 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:47,949 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:47,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:48,150 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,SelfDestructingSolverStorable34 [2025-02-08 09:26:48,150 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:48,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:48,151 INFO L85 PathProgramCache]: Analyzing trace with hash 970596766, now seen corresponding path program 1 times [2025-02-08 09:26:48,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:48,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116201228] [2025-02-08 09:26:48,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:48,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:48,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:48,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:48,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:48,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603852576] [2025-02-08 09:26:48,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:48,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:48,162 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:48,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:26:48,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:48,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:48,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:48,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:48,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:26:48,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:48,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-02-08 09:26:48,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116201228] [2025-02-08 09:26:48,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603852576] [2025-02-08 09:26:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603852576] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:48,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:48,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2025-02-08 09:26:48,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102272796] [2025-02-08 09:26:48,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:48,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:26:48,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:48,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:26:48,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:48,656 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:26:49,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:49,433 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2025-02-08 09:26:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:26:49,433 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2025-02-08 09:26:49,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:49,435 INFO L225 Difference]: With dead ends: 365 [2025-02-08 09:26:49,435 INFO L226 Difference]: Without dead ends: 364 [2025-02-08 09:26:49,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:26:49,435 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 387 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:49,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 562 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-02-08 09:26:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2025-02-08 09:26:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 330 states have internal predecessors, (376), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:26:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2025-02-08 09:26:49,458 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 106 [2025-02-08 09:26:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:49,458 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2025-02-08 09:26:49,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:26:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2025-02-08 09:26:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:26:49,459 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:49,459 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:49,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:49,660 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,SelfDestructingSolverStorable35 [2025-02-08 09:26:49,660 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2027082562, now seen corresponding path program 1 times [2025-02-08 09:26:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85705207] [2025-02-08 09:26:49,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:49,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:26:49,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:26:49,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:49,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:49,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85705207] [2025-02-08 09:26:49,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85705207] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706039376] [2025-02-08 09:26:49,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:49,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:49,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:49,766 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:49,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:26:49,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:26:49,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:26:49,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:49,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:49,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:26:49,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:49,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:49,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706039376] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:49,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:49,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-02-08 09:26:49,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108248741] [2025-02-08 09:26:49,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:49,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:49,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:49,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:49,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:49,988 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:50,496 INFO L93 Difference]: Finished difference Result 753 states and 866 transitions. [2025-02-08 09:26:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:50,497 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2025-02-08 09:26:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:50,498 INFO L225 Difference]: With dead ends: 753 [2025-02-08 09:26:50,498 INFO L226 Difference]: Without dead ends: 724 [2025-02-08 09:26:50,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:26:50,499 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 718 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:50,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 829 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:50,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2025-02-08 09:26:50,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 516. [2025-02-08 09:26:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 416 states have (on average 1.5408653846153846) internal successors, (641), 474 states have internal predecessors, (641), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 09:26:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 719 transitions. [2025-02-08 09:26:50,546 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 719 transitions. Word has length 109 [2025-02-08 09:26:50,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:50,546 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 719 transitions. [2025-02-08 09:26:50,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:26:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 719 transitions. [2025-02-08 09:26:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:26:50,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:50,547 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:50,553 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 [2025-02-08 09:26:50,751 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,SelfDestructingSolverStorable36 [2025-02-08 09:26:50,751 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1571350437, now seen corresponding path program 1 times [2025-02-08 09:26:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82154148] [2025-02-08 09:26:50,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:50,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:50,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:26:50,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:26:50,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:50,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:26:50,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:50,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82154148] [2025-02-08 09:26:50,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82154148] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:50,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77427914] [2025-02-08 09:26:50,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:50,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:50,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:50,900 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:50,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:26:50,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:26:50,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:26:50,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:50,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:50,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:26:50,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:51,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:51,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77427914] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:51,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:51,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2025-02-08 09:26:51,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751780284] [2025-02-08 09:26:51,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:51,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:51,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:51,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:51,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:26:51,067 INFO L87 Difference]: Start difference. First operand 516 states and 719 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:52,041 INFO L93 Difference]: Finished difference Result 978 states and 1302 transitions. [2025-02-08 09:26:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:26:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2025-02-08 09:26:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:52,044 INFO L225 Difference]: With dead ends: 978 [2025-02-08 09:26:52,044 INFO L226 Difference]: Without dead ends: 977 [2025-02-08 09:26:52,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:26:52,045 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 731 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:52,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 879 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:26:52,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2025-02-08 09:26:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 716. [2025-02-08 09:26:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 600 states have (on average 1.63) internal successors, (978), 658 states have internal predecessors, (978), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:26:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1088 transitions. [2025-02-08 09:26:52,067 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1088 transitions. Word has length 112 [2025-02-08 09:26:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:52,067 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1088 transitions. [2025-02-08 09:26:52,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:26:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1088 transitions. [2025-02-08 09:26:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 09:26:52,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:52,068 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:52,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-08 09:26:52,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:52,269 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:52,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:52,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1467223199, now seen corresponding path program 1 times [2025-02-08 09:26:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:52,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002952286] [2025-02-08 09:26:52,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:52,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:26:52,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:26:52,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:52,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:52,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578526546] [2025-02-08 09:26:52,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:52,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:52,281 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:52,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:26:52,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:26:52,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:26:52,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:52,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:52,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:52,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:52,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:26:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:52,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002952286] [2025-02-08 09:26:52,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:52,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578526546] [2025-02-08 09:26:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578526546] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:52,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:52,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:26:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837506652] [2025-02-08 09:26:52,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:52,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:26:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:52,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:26:52,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:52,571 INFO L87 Difference]: Start difference. First operand 716 states and 1088 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2025-02-08 09:26:53,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:53,196 INFO L93 Difference]: Finished difference Result 1127 states and 1680 transitions. [2025-02-08 09:26:53,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:53,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 113 [2025-02-08 09:26:53,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:53,200 INFO L225 Difference]: With dead ends: 1127 [2025-02-08 09:26:53,200 INFO L226 Difference]: Without dead ends: 1126 [2025-02-08 09:26:53,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:26:53,202 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 764 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:53,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 682 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2025-02-08 09:26:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 875. [2025-02-08 09:26:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 747 states have (on average 1.6546184738955823) internal successors, (1236), 805 states have internal predecessors, (1236), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 09:26:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1370 transitions. [2025-02-08 09:26:53,231 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1370 transitions. Word has length 113 [2025-02-08 09:26:53,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:53,231 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1370 transitions. [2025-02-08 09:26:53,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2025-02-08 09:26:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1370 transitions. [2025-02-08 09:26:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 09:26:53,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:53,232 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:53,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:26:53,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:26:53,433 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:53,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:53,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1728163935, now seen corresponding path program 1 times [2025-02-08 09:26:53,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:53,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142096487] [2025-02-08 09:26:53,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:53,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:26:53,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:26:53,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:53,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:53,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565256125] [2025-02-08 09:26:53,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:53,446 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:53,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:26:53,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:26:53,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:26:53,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:53,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:53,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:26:53,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:26:53,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:54,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142096487] [2025-02-08 09:26:54,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565256125] [2025-02-08 09:26:54,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565256125] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:54,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:54,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:26:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798732879] [2025-02-08 09:26:54,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:54,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:26:54,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:54,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:26:54,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:26:54,078 INFO L87 Difference]: Start difference. First operand 875 states and 1370 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-02-08 09:26:54,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:54,800 INFO L93 Difference]: Finished difference Result 962 states and 1478 transitions. [2025-02-08 09:26:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:26:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 119 [2025-02-08 09:26:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:54,805 INFO L225 Difference]: With dead ends: 962 [2025-02-08 09:26:54,805 INFO L226 Difference]: Without dead ends: 959 [2025-02-08 09:26:54,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:26:54,806 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 565 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:54,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 471 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:54,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2025-02-08 09:26:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2025-02-08 09:26:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6582597730138713) internal successors, (1315), 851 states have internal predecessors, (1315), 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) [2025-02-08 09:26:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1457 transitions. [2025-02-08 09:26:54,834 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1457 transitions. Word has length 119 [2025-02-08 09:26:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:54,836 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1457 transitions. [2025-02-08 09:26:54,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-02-08 09:26:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1457 transitions. [2025-02-08 09:26:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:26:54,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:54,837 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:54,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:55,038 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,SelfDestructingSolverStorable39 [2025-02-08 09:26:55,038 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:55,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:55,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2033474520, now seen corresponding path program 1 times [2025-02-08 09:26:55,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:55,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844238230] [2025-02-08 09:26:55,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:55,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:26:55,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:26:55,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:55,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:55,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365634816] [2025-02-08 09:26:55,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:55,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:55,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:55,057 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:55,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:26:55,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:26:55,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:26:55,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:55,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:55,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:26:55,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:26:55,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:56,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:56,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844238230] [2025-02-08 09:26:56,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:56,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365634816] [2025-02-08 09:26:56,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365634816] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:56,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:56,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:26:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591962813] [2025-02-08 09:26:56,033 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:56,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:26:56,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:56,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:26:56,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:26:56,034 INFO L87 Difference]: Start difference. First operand 925 states and 1457 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-02-08 09:26:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:56,941 INFO L93 Difference]: Finished difference Result 960 states and 1473 transitions. [2025-02-08 09:26:56,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:26:56,941 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2025-02-08 09:26:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:56,943 INFO L225 Difference]: With dead ends: 960 [2025-02-08 09:26:56,944 INFO L226 Difference]: Without dead ends: 959 [2025-02-08 09:26:56,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:26:56,944 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 481 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:56,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 466 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:26:56,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2025-02-08 09:26:56,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2025-02-08 09:26:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6557377049180328) internal successors, (1313), 851 states have internal predecessors, (1313), 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) [2025-02-08 09:26:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1455 transitions. [2025-02-08 09:26:56,974 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1455 transitions. Word has length 120 [2025-02-08 09:26:56,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:56,974 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1455 transitions. [2025-02-08 09:26:56,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-02-08 09:26:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1455 transitions. [2025-02-08 09:26:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:26:56,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:56,975 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:56,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:57,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:57,175 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:57,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1386799235, now seen corresponding path program 1 times [2025-02-08 09:26:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:57,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415798662] [2025-02-08 09:26:57,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:57,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:57,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:26:57,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:26:57,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:57,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490772070] [2025-02-08 09:26:57,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:57,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:57,195 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:57,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:26:57,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:26:57,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:26:57,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:57,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:57,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:26:57,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:26:57,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:57,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:57,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415798662] [2025-02-08 09:26:57,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:57,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490772070] [2025-02-08 09:26:57,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490772070] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:57,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:57,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:57,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642425964] [2025-02-08 09:26:57,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:57,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:57,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:57,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:57,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:57,609 INFO L87 Difference]: Start difference. First operand 925 states and 1455 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:26:57,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:57,975 INFO L93 Difference]: Finished difference Result 1069 states and 1661 transitions. [2025-02-08 09:26:57,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:57,976 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 121 [2025-02-08 09:26:57,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:57,979 INFO L225 Difference]: With dead ends: 1069 [2025-02-08 09:26:57,979 INFO L226 Difference]: Without dead ends: 1067 [2025-02-08 09:26:57,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:57,980 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 309 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:57,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 434 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:57,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2025-02-08 09:26:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1028. [2025-02-08 09:26:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 887 states have (on average 1.6719278466741827) internal successors, (1483), 945 states have internal predecessors, (1483), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:26:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1643 transitions. [2025-02-08 09:26:58,012 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1643 transitions. Word has length 121 [2025-02-08 09:26:58,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:58,012 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1643 transitions. [2025-02-08 09:26:58,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:26:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1643 transitions. [2025-02-08 09:26:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:26:58,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:58,013 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:58,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:58,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:58,218 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:58,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash -41103242, now seen corresponding path program 1 times [2025-02-08 09:26:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420857089] [2025-02-08 09:26:58,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:58,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:26:58,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:26:58,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:58,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:58,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173314877] [2025-02-08 09:26:58,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:58,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:58,237 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:58,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:26:58,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:26:58,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:26:58,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:58,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:58,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:26:58,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:26:58,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:58,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:58,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420857089] [2025-02-08 09:26:58,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:58,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173314877] [2025-02-08 09:26:58,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173314877] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:58,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:58,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:58,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90950620] [2025-02-08 09:26:58,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:58,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:58,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:58,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:58,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:58,710 INFO L87 Difference]: Start difference. First operand 1028 states and 1643 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:26:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:59,025 INFO L93 Difference]: Finished difference Result 1069 states and 1656 transitions. [2025-02-08 09:26:59,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:59,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2025-02-08 09:26:59,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:59,029 INFO L225 Difference]: With dead ends: 1069 [2025-02-08 09:26:59,029 INFO L226 Difference]: Without dead ends: 1067 [2025-02-08 09:26:59,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:59,030 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 194 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:59,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 563 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:59,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2025-02-08 09:26:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1029. [2025-02-08 09:26:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6666666666666667) internal successors, (1480), 946 states have internal predecessors, (1480), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:26:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1640 transitions. [2025-02-08 09:26:59,061 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1640 transitions. Word has length 122 [2025-02-08 09:26:59,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:59,063 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1640 transitions. [2025-02-08 09:26:59,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:26:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1640 transitions. [2025-02-08 09:26:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:26:59,063 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:59,064 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:59,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:59,264 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,SelfDestructingSolverStorable42 [2025-02-08 09:26:59,264 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:26:59,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1274200421, now seen corresponding path program 1 times [2025-02-08 09:26:59,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:59,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084900713] [2025-02-08 09:26:59,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:59,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:59,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:26:59,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:26:59,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:59,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:59,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139586897] [2025-02-08 09:26:59,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:59,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:59,281 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:59,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:26:59,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:26:59,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:26:59,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:59,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:59,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:26:59,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:26:59,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:59,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:59,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084900713] [2025-02-08 09:26:59,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:59,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139586897] [2025-02-08 09:26:59,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139586897] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:59,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:59,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:26:59,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324593423] [2025-02-08 09:26:59,757 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:59,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:59,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:59,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:59,758 INFO L87 Difference]: Start difference. First operand 1029 states and 1640 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:27:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:00,324 INFO L93 Difference]: Finished difference Result 1070 states and 1651 transitions. [2025-02-08 09:27:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:00,324 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2025-02-08 09:27:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:00,327 INFO L225 Difference]: With dead ends: 1070 [2025-02-08 09:27:00,327 INFO L226 Difference]: Without dead ends: 1067 [2025-02-08 09:27:00,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:27:00,327 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 338 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:00,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 442 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:27:00,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2025-02-08 09:27:00,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1032. [2025-02-08 09:27:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6610549943883277) internal successors, (1480), 949 states have internal predecessors, (1480), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:27:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1640 transitions. [2025-02-08 09:27:00,357 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1640 transitions. Word has length 123 [2025-02-08 09:27:00,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:00,357 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1640 transitions. [2025-02-08 09:27:00,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:27:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1640 transitions. [2025-02-08 09:27:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:27:00,358 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:00,358 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:00,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-08 09:27:00,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:00,562 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:00,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:00,562 INFO L85 PathProgramCache]: Analyzing trace with hash -845507308, now seen corresponding path program 1 times [2025-02-08 09:27:00,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:00,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933509192] [2025-02-08 09:27:00,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:00,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:00,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:27:00,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:27:00,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:00,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715506364] [2025-02-08 09:27:00,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:00,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:00,573 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:00,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:27:00,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:27:00,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:27:00,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:00,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:00,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:27:00,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-08 09:27:00,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:00,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933509192] [2025-02-08 09:27:00,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715506364] [2025-02-08 09:27:00,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715506364] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:00,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:00,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:27:00,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853355958] [2025-02-08 09:27:00,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:00,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:27:00,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:00,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:27:00,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:27:00,995 INFO L87 Difference]: Start difference. First operand 1032 states and 1640 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:27:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:01,486 INFO L93 Difference]: Finished difference Result 1069 states and 1645 transitions. [2025-02-08 09:27:01,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:01,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 124 [2025-02-08 09:27:01,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:01,490 INFO L225 Difference]: With dead ends: 1069 [2025-02-08 09:27:01,490 INFO L226 Difference]: Without dead ends: 1056 [2025-02-08 09:27:01,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:27:01,491 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 184 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:01,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 503 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:27:01,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2025-02-08 09:27:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1026. [2025-02-08 09:27:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6534988713318284) internal successors, (1465), 944 states have internal predecessors, (1465), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1623 transitions. [2025-02-08 09:27:01,537 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1623 transitions. Word has length 124 [2025-02-08 09:27:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:01,537 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1623 transitions. [2025-02-08 09:27:01,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:27:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1623 transitions. [2025-02-08 09:27:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 09:27:01,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:01,539 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:01,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:01,739 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,SelfDestructingSolverStorable44 [2025-02-08 09:27:01,739 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:01,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:01,740 INFO L85 PathProgramCache]: Analyzing trace with hash -832221623, now seen corresponding path program 1 times [2025-02-08 09:27:01,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:01,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688357144] [2025-02-08 09:27:01,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:01,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 09:27:01,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 09:27:01,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:01,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:01,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151850589] [2025-02-08 09:27:01,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:01,759 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:01,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:27:01,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 09:27:01,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 09:27:01,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:01,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:01,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:27:01,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:27:02,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:14,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:14,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688357144] [2025-02-08 09:27:14,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:14,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151850589] [2025-02-08 09:27:14,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151850589] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:14,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:14,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:27:14,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650772026] [2025-02-08 09:27:14,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:14,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:27:14,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:14,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:27:14,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-08 09:27:14,212 INFO L87 Difference]: Start difference. First operand 1026 states and 1623 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:27:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:14,574 INFO L93 Difference]: Finished difference Result 1071 states and 1655 transitions. [2025-02-08 09:27:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:14,577 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 130 [2025-02-08 09:27:14,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:14,579 INFO L225 Difference]: With dead ends: 1071 [2025-02-08 09:27:14,579 INFO L226 Difference]: Without dead ends: 1068 [2025-02-08 09:27:14,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-08 09:27:14,580 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 423 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:14,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 551 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:27:14,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2025-02-08 09:27:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1026. [2025-02-08 09:27:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6433408577878104) internal successors, (1456), 944 states have internal predecessors, (1456), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1614 transitions. [2025-02-08 09:27:14,634 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1614 transitions. Word has length 130 [2025-02-08 09:27:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:14,634 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1614 transitions. [2025-02-08 09:27:14,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:27:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1614 transitions. [2025-02-08 09:27:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 09:27:14,635 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:14,635 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:14,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:14,835 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,SelfDestructingSolverStorable45 [2025-02-08 09:27:14,835 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:14,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash -29066463, now seen corresponding path program 1 times [2025-02-08 09:27:14,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:14,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403703863] [2025-02-08 09:27:14,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:14,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:14,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-08 09:27:14,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:27:14,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:14,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:14,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045126246] [2025-02-08 09:27:14,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:14,851 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:14,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:27:14,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-08 09:27:14,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:27:14,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:14,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:14,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:27:14,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:27:15,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:24,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:24,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403703863] [2025-02-08 09:27:24,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:24,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045126246] [2025-02-08 09:27:24,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045126246] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:24,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:24,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:27:24,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786187153] [2025-02-08 09:27:24,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:24,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:27:24,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:24,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:27:24,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=168, Unknown=2, NotChecked=0, Total=210 [2025-02-08 09:27:24,071 INFO L87 Difference]: Start difference. First operand 1026 states and 1614 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:24,787 INFO L93 Difference]: Finished difference Result 1050 states and 1630 transitions. [2025-02-08 09:27:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:27:24,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2025-02-08 09:27:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:24,790 INFO L225 Difference]: With dead ends: 1050 [2025-02-08 09:27:24,790 INFO L226 Difference]: Without dead ends: 1048 [2025-02-08 09:27:24,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=87, Invalid=291, Unknown=2, NotChecked=0, Total=380 [2025-02-08 09:27:24,791 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 656 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:24,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 464 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:27:24,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2025-02-08 09:27:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1026. [2025-02-08 09:27:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6388261851015802) internal successors, (1452), 944 states have internal predecessors, (1452), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1610 transitions. [2025-02-08 09:27:24,824 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1610 transitions. Word has length 131 [2025-02-08 09:27:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:24,824 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1610 transitions. [2025-02-08 09:27:24,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1610 transitions. [2025-02-08 09:27:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-08 09:27:24,825 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:24,825 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:24,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:25,029 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,SelfDestructingSolverStorable46 [2025-02-08 09:27:25,030 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:25,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash -901060281, now seen corresponding path program 1 times [2025-02-08 09:27:25,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:25,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332309148] [2025-02-08 09:27:25,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:25,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:27:25,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:27:25,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:25,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:25,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864722869] [2025-02-08 09:27:25,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:25,043 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:25,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:27:25,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:27:25,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:27:25,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:25,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:25,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:27:25,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:27:25,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:29,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:29,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332309148] [2025-02-08 09:27:29,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864722869] [2025-02-08 09:27:29,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864722869] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:29,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:29,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:27:29,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265401358] [2025-02-08 09:27:29,967 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:29,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:27:29,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:29,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:27:29,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:27:29,968 INFO L87 Difference]: Start difference. First operand 1026 states and 1610 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:30,827 INFO L93 Difference]: Finished difference Result 1058 states and 1640 transitions. [2025-02-08 09:27:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:27:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 132 [2025-02-08 09:27:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:30,830 INFO L225 Difference]: With dead ends: 1058 [2025-02-08 09:27:30,830 INFO L226 Difference]: Without dead ends: 1056 [2025-02-08 09:27:30,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2025-02-08 09:27:30,831 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 655 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:30,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 298 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:27:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2025-02-08 09:27:30,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1026. [2025-02-08 09:27:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6343115124153498) internal successors, (1448), 944 states have internal predecessors, (1448), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1606 transitions. [2025-02-08 09:27:30,868 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1606 transitions. Word has length 132 [2025-02-08 09:27:30,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:30,868 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1606 transitions. [2025-02-08 09:27:30,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1606 transitions. [2025-02-08 09:27:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-08 09:27:30,869 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:30,869 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:30,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:31,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:31,073 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2131902431, now seen corresponding path program 1 times [2025-02-08 09:27:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627947785] [2025-02-08 09:27:31,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:31,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-08 09:27:31,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:27:31,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:31,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:31,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231539448] [2025-02-08 09:27:31,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:31,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:31,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:31,086 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:31,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:27:31,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-08 09:27:31,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:27:31,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:31,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:31,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:27:31,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:27:31,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:36,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:36,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627947785] [2025-02-08 09:27:36,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:36,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231539448] [2025-02-08 09:27:36,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231539448] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:36,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:36,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:27:36,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633835168] [2025-02-08 09:27:36,221 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:36,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:27:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:36,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:27:36,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:27:36,221 INFO L87 Difference]: Start difference. First operand 1026 states and 1606 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:37,042 INFO L93 Difference]: Finished difference Result 1058 states and 1636 transitions. [2025-02-08 09:27:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:27:37,042 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2025-02-08 09:27:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:37,045 INFO L225 Difference]: With dead ends: 1058 [2025-02-08 09:27:37,045 INFO L226 Difference]: Without dead ends: 1056 [2025-02-08 09:27:37,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2025-02-08 09:27:37,048 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 428 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:37,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 428 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:27:37,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2025-02-08 09:27:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1026. [2025-02-08 09:27:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6297968397291196) internal successors, (1444), 944 states have internal predecessors, (1444), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1602 transitions. [2025-02-08 09:27:37,085 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1602 transitions. Word has length 133 [2025-02-08 09:27:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:37,085 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1602 transitions. [2025-02-08 09:27:37,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1602 transitions. [2025-02-08 09:27:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 09:27:37,086 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:37,086 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:37,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-02-08 09:27:37,287 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,SelfDestructingSolverStorable48 [2025-02-08 09:27:37,287 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:37,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:37,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1664465989, now seen corresponding path program 1 times [2025-02-08 09:27:37,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:37,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851123028] [2025-02-08 09:27:37,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:37,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:27:37,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:27:37,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:37,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063410217] [2025-02-08 09:27:37,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:37,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:37,303 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:37,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:27:37,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:27:37,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:27:37,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:37,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:37,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:27:37,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:27:38,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:38,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:38,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851123028] [2025-02-08 09:27:38,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:38,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063410217] [2025-02-08 09:27:38,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063410217] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:38,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:38,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:27:38,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922079747] [2025-02-08 09:27:38,120 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:38,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:27:38,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:38,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:27:38,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:27:38,121 INFO L87 Difference]: Start difference. First operand 1026 states and 1602 transitions. Second operand has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:38,929 INFO L93 Difference]: Finished difference Result 1045 states and 1618 transitions. [2025-02-08 09:27:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:27:38,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2025-02-08 09:27:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:38,934 INFO L225 Difference]: With dead ends: 1045 [2025-02-08 09:27:38,934 INFO L226 Difference]: Without dead ends: 1044 [2025-02-08 09:27:38,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:27:38,935 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 256 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:38,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 477 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:27:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2025-02-08 09:27:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1026. [2025-02-08 09:27:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6275395033860045) internal successors, (1442), 944 states have internal predecessors, (1442), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1600 transitions. [2025-02-08 09:27:38,970 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1600 transitions. Word has length 134 [2025-02-08 09:27:38,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1600 transitions. [2025-02-08 09:27:38,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:27:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1600 transitions. [2025-02-08 09:27:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:27:38,971 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:38,971 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:38,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:39,172 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,SelfDestructingSolverStorable49 [2025-02-08 09:27:39,172 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:39,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 58838173, now seen corresponding path program 1 times [2025-02-08 09:27:39,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:39,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109602517] [2025-02-08 09:27:39,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:39,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:27:39,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:27:39,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:39,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:39,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108823172] [2025-02-08 09:27:39,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:39,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:39,202 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:39,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:27:39,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:27:39,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:27:39,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:39,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:39,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 09:27:39,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-08 09:27:40,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109602517] [2025-02-08 09:27:40,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108823172] [2025-02-08 09:27:40,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108823172] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:40,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:40,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:27:40,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341495744] [2025-02-08 09:27:40,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:40,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:27:40,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:40,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:27:40,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:27:40,475 INFO L87 Difference]: Start difference. First operand 1026 states and 1600 transitions. Second operand has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:27:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:41,332 INFO L93 Difference]: Finished difference Result 1045 states and 1616 transitions. [2025-02-08 09:27:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:27:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 135 [2025-02-08 09:27:41,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:41,334 INFO L225 Difference]: With dead ends: 1045 [2025-02-08 09:27:41,334 INFO L226 Difference]: Without dead ends: 1042 [2025-02-08 09:27:41,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:27:41,335 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 282 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:41,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 414 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:27:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2025-02-08 09:27:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1026. [2025-02-08 09:27:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6207674943566592) internal successors, (1436), 944 states have internal predecessors, (1436), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1594 transitions. [2025-02-08 09:27:41,368 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1594 transitions. Word has length 135 [2025-02-08 09:27:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:41,369 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1594 transitions. [2025-02-08 09:27:41,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:27:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1594 transitions. [2025-02-08 09:27:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 09:27:41,370 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:41,370 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 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, 1, 1, 1, 1, 1] [2025-02-08 09:27:41,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:41,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:41,574 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:41,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:41,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2106804617, now seen corresponding path program 1 times [2025-02-08 09:27:41,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:41,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798481964] [2025-02-08 09:27:41,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:41,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:41,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:27:41,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:27:41,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:41,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:41,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912430650] [2025-02-08 09:27:41,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:41,591 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:41,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:27:41,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:27:41,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:27:41,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:41,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:41,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:27:41,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-02-08 09:27:42,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:47,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:47,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798481964] [2025-02-08 09:27:47,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:47,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912430650] [2025-02-08 09:27:47,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912430650] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:47,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:47,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:27:47,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031687876] [2025-02-08 09:27:47,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:47,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:27:47,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:47,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:27:47,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=218, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:27:47,647 INFO L87 Difference]: Start difference. First operand 1026 states and 1594 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:27:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:49,202 INFO L93 Difference]: Finished difference Result 1043 states and 1610 transitions. [2025-02-08 09:27:49,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:27:49,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 141 [2025-02-08 09:27:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:49,205 INFO L225 Difference]: With dead ends: 1043 [2025-02-08 09:27:49,205 INFO L226 Difference]: Without dead ends: 1042 [2025-02-08 09:27:49,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=104, Invalid=401, Unknown=1, NotChecked=0, Total=506 [2025-02-08 09:27:49,206 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 405 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:49,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 664 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:27:49,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2025-02-08 09:27:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1026. [2025-02-08 09:27:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.618510158013544) internal successors, (1434), 944 states have internal predecessors, (1434), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1592 transitions. [2025-02-08 09:27:49,247 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1592 transitions. Word has length 141 [2025-02-08 09:27:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:49,247 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1592 transitions. [2025-02-08 09:27:49,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:27:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1592 transitions. [2025-02-08 09:27:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 09:27:49,248 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:49,248 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 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, 1, 1, 1, 1] [2025-02-08 09:27:49,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-02-08 09:27:49,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:49,451 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:49,456 INFO L85 PathProgramCache]: Analyzing trace with hash 886433748, now seen corresponding path program 1 times [2025-02-08 09:27:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:49,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635202984] [2025-02-08 09:27:49,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:49,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:49,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 09:27:49,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:27:49,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:49,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:49,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801337999] [2025-02-08 09:27:49,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:49,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:49,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:49,473 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:49,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:27:49,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 09:27:49,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:27:49,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:49,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:49,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 09:27:49,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2025-02-08 09:27:50,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:50,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:50,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635202984] [2025-02-08 09:27:50,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:50,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801337999] [2025-02-08 09:27:50,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801337999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:50,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:50,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:27:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336407721] [2025-02-08 09:27:50,642 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:50,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:27:50,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:50,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:27:50,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:27:50,643 INFO L87 Difference]: Start difference. First operand 1026 states and 1592 transitions. Second operand has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2025-02-08 09:27:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:51,804 INFO L93 Difference]: Finished difference Result 1043 states and 1608 transitions. [2025-02-08 09:27:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:27:51,804 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) Word has length 142 [2025-02-08 09:27:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:51,806 INFO L225 Difference]: With dead ends: 1043 [2025-02-08 09:27:51,806 INFO L226 Difference]: Without dead ends: 1042 [2025-02-08 09:27:51,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:27:51,807 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 469 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:51,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 464 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:27:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2025-02-08 09:27:51,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1026. [2025-02-08 09:27:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 886 states have (on average 1.6162528216704288) internal successors, (1432), 944 states have internal predecessors, (1432), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-02-08 09:27:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1590 transitions. [2025-02-08 09:27:51,851 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1590 transitions. Word has length 142 [2025-02-08 09:27:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:51,855 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1590 transitions. [2025-02-08 09:27:51,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2025-02-08 09:27:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1590 transitions. [2025-02-08 09:27:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-08 09:27:51,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:51,855 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:51,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:52,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-02-08 09:27:52,056 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-08 09:27:52,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:52,056 INFO L85 PathProgramCache]: Analyzing trace with hash -2006057915, now seen corresponding path program 1 times [2025-02-08 09:27:52,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:52,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757234444] [2025-02-08 09:27:52,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:52,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-08 09:27:52,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-08 09:27:52,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973839740] [2025-02-08 09:27:52,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:52,072 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:27:52,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-02-08 09:27:52,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-08 09:27:52,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-08 09:27:52,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:52,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:52,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-08 09:27:52,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-02-08 09:27:53,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:53,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:53,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757234444] [2025-02-08 09:27:53,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:53,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973839740] [2025-02-08 09:27:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973839740] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:53,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:53,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:27:53,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836043634] [2025-02-08 09:27:53,362 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:53,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:27:53,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:53,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:27:53,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:27:53,363 INFO L87 Difference]: Start difference. First operand 1026 states and 1590 transitions. Second operand has 13 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13)