./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/LexIndexValue-Array-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash d69e4513fb8989bf305d8f9ce21862e8623f2a3d0c8146e8e7fb7e8c658a7eff --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:54:44,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:54:44,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:54:44,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:54:44,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:54:44,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:54:44,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:54:44,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:54:44,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:54:44,947 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:54:44,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:54:44,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:54:44,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:54:44,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:54:44,948 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:54:44,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:54:44,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:54:44,949 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:54:44,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:54:44,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:54:44,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:54:44,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:54:44,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:54:44,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:54:44,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:54:44,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:54:44,951 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d69e4513fb8989bf305d8f9ce21862e8623f2a3d0c8146e8e7fb7e8c658a7eff [2025-02-08 08:54:45,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:54:45,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:54:45,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:54:45,165 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:54:45,165 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:54:45,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c [2025-02-08 08:54:46,261 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/105af38b0/8901a5ee635c4bcc89f2feca8d99ec0c/FLAGc70302c94 [2025-02-08 08:54:46,429 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:54:46,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c [2025-02-08 08:54:46,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/105af38b0/8901a5ee635c4bcc89f2feca8d99ec0c/FLAGc70302c94 [2025-02-08 08:54:46,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/105af38b0/8901a5ee635c4bcc89f2feca8d99ec0c [2025-02-08 08:54:46,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:54:46,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:54:46,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:54:46,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:54:46,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:54:46,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c86cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46, skipping insertion in model container [2025-02-08 08:54:46,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:54:46,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:54:46,923 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:54:46,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:54:46,950 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:54:46,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46 WrapperNode [2025-02-08 08:54:46,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:54:46,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:54:46,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:54:46,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:54:46,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,967 INFO L138 Inliner]: procedures = 8, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2025-02-08 08:54:46,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:54:46,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:54:46,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:54:46,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:54:46,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,984 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2025-02-08 08:54:46,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:54:46,992 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:54:46,992 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:54:46,992 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:54:46,993 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (1/1) ... [2025-02-08 08:54:46,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:54:47,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:47,014 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 08:54:47,016 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 08:54:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:54:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:54:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:54:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:54:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:54:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:54:47,067 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:54:47,069 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:54:47,195 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L11: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset; [2025-02-08 08:54:47,205 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-08 08:54:47,205 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:54:47,213 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:54:47,214 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:54:47,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:54:47 BoogieIcfgContainer [2025-02-08 08:54:47,214 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:54:47,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:54:47,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:54:47,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:54:47,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:54:46" (1/3) ... [2025-02-08 08:54:47,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c4e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:54:47, skipping insertion in model container [2025-02-08 08:54:47,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:46" (2/3) ... [2025-02-08 08:54:47,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c4e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:54:47, skipping insertion in model container [2025-02-08 08:54:47,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:54:47" (3/3) ... [2025-02-08 08:54:47,222 INFO L128 eAbstractionObserver]: Analyzing ICFG LexIndexValue-Array-1.c [2025-02-08 08:54:47,232 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:54:47,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG LexIndexValue-Array-1.c that has 1 procedures, 22 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2025-02-08 08:54:47,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:54:47,285 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;@39da5d70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:54:47,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:54:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 08:54:47,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:47,291 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 08:54:47,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:47,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:47,295 INFO L85 PathProgramCache]: Analyzing trace with hash 57562, now seen corresponding path program 1 times [2025-02-08 08:54:47,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:47,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334289349] [2025-02-08 08:54:47,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:47,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:54:47,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:54:47,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:47,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:47,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:47,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334289349] [2025-02-08 08:54:47,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334289349] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:47,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:47,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:47,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897564711] [2025-02-08 08:54:47,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:47,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:47,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:47,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:47,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:47,459 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:47,490 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2025-02-08 08:54:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:47,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 08:54:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:47,495 INFO L225 Difference]: With dead ends: 43 [2025-02-08 08:54:47,495 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 08:54:47,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:47,499 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:47,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 59 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:47,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 08:54:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-02-08 08:54:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.6) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2025-02-08 08:54:47,520 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 3 [2025-02-08 08:54:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:47,520 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2025-02-08 08:54:47,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2025-02-08 08:54:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 08:54:47,520 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:47,522 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-02-08 08:54:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:54:47,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1714822717, now seen corresponding path program 1 times [2025-02-08 08:54:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:47,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718143970] [2025-02-08 08:54:47,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:47,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 08:54:47,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 08:54:47,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:47,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:47,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:47,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718143970] [2025-02-08 08:54:47,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718143970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:47,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553208044] [2025-02-08 08:54:47,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:47,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:47,638 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 08:54:47,640 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 08:54:47,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 08:54:47,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 08:54:47,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:47,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:47,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:54:47,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:47,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:54:47,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553208044] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:47,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:54:47,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 08:54:47,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665426615] [2025-02-08 08:54:47,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:47,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:54:47,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:47,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:54:47,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:54:47,735 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:47,761 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2025-02-08 08:54:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:54:47,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 08:54:47,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:47,761 INFO L225 Difference]: With dead ends: 21 [2025-02-08 08:54:47,762 INFO L226 Difference]: Without dead ends: 20 [2025-02-08 08:54:47,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:54:47,763 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:47,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 43 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:47,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-02-08 08:54:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-02-08 08:54:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2025-02-08 08:54:47,768 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 6 [2025-02-08 08:54:47,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:47,769 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2025-02-08 08:54:47,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2025-02-08 08:54:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:54:47,769 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:47,769 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-02-08 08:54:47,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 08:54:47,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:47,971 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:47,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:47,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1619896668, now seen corresponding path program 1 times [2025-02-08 08:54:47,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:47,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038269145] [2025-02-08 08:54:47,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:47,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:54:47,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:54:47,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:47,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:54:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038269145] [2025-02-08 08:54:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038269145] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:48,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:48,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611061390] [2025-02-08 08:54:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:48,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:54:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:48,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:54:48,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:48,012 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,021 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2025-02-08 08:54:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:54:48,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 08:54:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,022 INFO L225 Difference]: With dead ends: 20 [2025-02-08 08:54:48,022 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 08:54:48,022 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 08:54:48,023 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 08:54:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2025-02-08 08:54:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2025-02-08 08:54:48,025 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 7 [2025-02-08 08:54:48,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,025 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2025-02-08 08:54:48,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2025-02-08 08:54:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 08:54:48,025 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:48,025 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:54:48,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:48,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:48,026 INFO L85 PathProgramCache]: Analyzing trace with hash -58826982, now seen corresponding path program 1 times [2025-02-08 08:54:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417706261] [2025-02-08 08:54:48,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:48,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:54:48,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:54:48,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:48,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417706261] [2025-02-08 08:54:48,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417706261] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:48,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918120141] [2025-02-08 08:54:48,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:48,105 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 08:54:48,106 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 08:54:48,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:54:48,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:54:48,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:48,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:54:48,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918120141] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:48,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:48,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 08:54:48,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041437731] [2025-02-08 08:54:48,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:48,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:54:48,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:48,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:54:48,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:54:48,214 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,247 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2025-02-08 08:54:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:54:48,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 08:54:48,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,247 INFO L225 Difference]: With dead ends: 35 [2025-02-08 08:54:48,247 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 08:54:48,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:54:48,248 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 08:54:48,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 08:54:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2025-02-08 08:54:48,251 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2025-02-08 08:54:48,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,251 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-02-08 08:54:48,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2025-02-08 08:54:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 08:54:48,251 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:48,251 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,257 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 08:54:48,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:48,452 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:48,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:48,453 INFO L85 PathProgramCache]: Analyzing trace with hash -278070790, now seen corresponding path program 2 times [2025-02-08 08:54:48,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:48,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917190469] [2025-02-08 08:54:48,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:48,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:48,459 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-02-08 08:54:48,461 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 16 statements. [2025-02-08 08:54:48,461 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:54:48,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 08:54:48,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:48,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917190469] [2025-02-08 08:54:48,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917190469] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:48,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:48,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:48,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877407564] [2025-02-08 08:54:48,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:48,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:48,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:48,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:48,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:48,485 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,507 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2025-02-08 08:54:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:48,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 08:54:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,509 INFO L225 Difference]: With dead ends: 35 [2025-02-08 08:54:48,509 INFO L226 Difference]: Without dead ends: 33 [2025-02-08 08:54:48,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:48,510 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 28 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-02-08 08:54:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2025-02-08 08:54:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2025-02-08 08:54:48,517 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 16 [2025-02-08 08:54:48,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,518 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2025-02-08 08:54:48,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2025-02-08 08:54:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 08:54:48,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:48,519 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:54:48,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:48,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash -278070630, now seen corresponding path program 1 times [2025-02-08 08:54:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211524461] [2025-02-08 08:54:48,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:48,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 08:54:48,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 08:54:48,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:48,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 08:54:48,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:48,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211524461] [2025-02-08 08:54:48,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211524461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:48,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:48,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:54:48,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314072367] [2025-02-08 08:54:48,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:48,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:54:48,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:48,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:54:48,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:54:48,631 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,659 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2025-02-08 08:54:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:54:48,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 08:54:48,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,660 INFO L225 Difference]: With dead ends: 31 [2025-02-08 08:54:48,660 INFO L226 Difference]: Without dead ends: 30 [2025-02-08 08:54:48,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:54:48,660 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 30 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-08 08:54:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-02-08 08:54:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2025-02-08 08:54:48,665 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 16 [2025-02-08 08:54:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,665 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2025-02-08 08:54:48,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2025-02-08 08:54:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 08:54:48,666 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:48,666 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:54:48,666 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:48,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash -30254959, now seen corresponding path program 1 times [2025-02-08 08:54:48,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:48,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172277768] [2025-02-08 08:54:48,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:48,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:48,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:54:48,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:54:48,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:48,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:48,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172277768] [2025-02-08 08:54:48,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172277768] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:48,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747862061] [2025-02-08 08:54:48,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:48,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:48,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:48,784 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 08:54:48,785 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 08:54:48,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:54:48,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:54:48,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:48,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:48,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 08:54:48,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:48,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747862061] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:48,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:48,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2025-02-08 08:54:48,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081030340] [2025-02-08 08:54:48,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:48,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 08:54:48,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:48,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 08:54:48,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 08:54:48,926 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,956 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2025-02-08 08:54:48,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 08:54:48,956 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-02-08 08:54:48,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,957 INFO L225 Difference]: With dead ends: 61 [2025-02-08 08:54:48,957 INFO L226 Difference]: Without dead ends: 42 [2025-02-08 08:54:48,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 08:54:48,957 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-02-08 08:54:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-02-08 08:54:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2025-02-08 08:54:48,963 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2025-02-08 08:54:48,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,963 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2025-02-08 08:54:48,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2025-02-08 08:54:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 08:54:48,968 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:48,968 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 08:54:49,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:49,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:49,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:49,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1430924591, now seen corresponding path program 2 times [2025-02-08 08:54:49,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:49,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665960805] [2025-02-08 08:54:49,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:49,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:49,178 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:54:49,187 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:54:49,187 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:49,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:49,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:49,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665960805] [2025-02-08 08:54:49,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665960805] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:49,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940563117] [2025-02-08 08:54:49,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:49,424 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 08:54:49,425 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 08:54:49,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:54:49,482 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:54:49,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:49,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:49,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 08:54:49,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:49,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:49,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940563117] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:49,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:49,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2025-02-08 08:54:49,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361629976] [2025-02-08 08:54:49,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:49,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-08 08:54:49,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:49,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-08 08:54:49,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 08:54:49,800 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 34 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 33 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:49,879 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2025-02-08 08:54:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-08 08:54:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 33 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2025-02-08 08:54:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:49,880 INFO L225 Difference]: With dead ends: 85 [2025-02-08 08:54:49,880 INFO L226 Difference]: Without dead ends: 66 [2025-02-08 08:54:49,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 08:54:49,881 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:49,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:54:49,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-02-08 08:54:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-02-08 08:54:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 65 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2025-02-08 08:54:49,886 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 29 [2025-02-08 08:54:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:49,886 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2025-02-08 08:54:49,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 33 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2025-02-08 08:54:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 08:54:49,888 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:49,888 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:49,894 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 08:54:50,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 08:54:50,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:50,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash -522410159, now seen corresponding path program 3 times [2025-02-08 08:54:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:50,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667597460] [2025-02-08 08:54:50,089 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:50,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 16 equivalence classes. [2025-02-08 08:54:50,150 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 08:54:50,151 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-02-08 08:54:50,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667597460] [2025-02-08 08:54:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667597460] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:50,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679688647] [2025-02-08 08:54:50,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:50,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:50,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:50,776 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 08:54:50,777 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 08:54:50,825 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 16 equivalence classes. [2025-02-08 08:54:50,975 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 08:54:50,975 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-02-08 08:54:50,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:50,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 08:54:50,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:51,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679688647] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:51,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:51,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 65 [2025-02-08 08:54:51,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609496079] [2025-02-08 08:54:51,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:51,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-02-08 08:54:51,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:51,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-02-08 08:54:51,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2025-02-08 08:54:51,848 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 66 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 65 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:51,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:51,983 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2025-02-08 08:54:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-02-08 08:54:51,985 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 65 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2025-02-08 08:54:51,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:51,986 INFO L225 Difference]: With dead ends: 133 [2025-02-08 08:54:51,986 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 08:54:51,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2025-02-08 08:54:51,989 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:51,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:54:51,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 08:54:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-02-08 08:54:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.0810810810810811) internal successors, (120), 113 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2025-02-08 08:54:52,002 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 53 [2025-02-08 08:54:52,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:52,002 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2025-02-08 08:54:52,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 65 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:52,002 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2025-02-08 08:54:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 08:54:52,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:52,004 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:52,013 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 08:54:52,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:52,211 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:52,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:52,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1734987857, now seen corresponding path program 4 times [2025-02-08 08:54:52,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:52,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952376807] [2025-02-08 08:54:52,212 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:54:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:52,233 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-02-08 08:54:52,256 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 08:54:52,256 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:54:52,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:54,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952376807] [2025-02-08 08:54:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952376807] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203838485] [2025-02-08 08:54:54,102 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:54:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:54,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:54,106 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 08:54:54,107 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 08:54:54,166 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-02-08 08:54:54,205 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 08:54:54,205 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:54:54,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:54,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-02-08 08:54:54,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:54,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:56,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203838485] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:56,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:56,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 129 [2025-02-08 08:54:56,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119044911] [2025-02-08 08:54:56,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:56,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2025-02-08 08:54:56,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:56,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2025-02-08 08:54:56,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2025-02-08 08:54:56,679 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand has 130 states, 130 states have (on average 1.5384615384615385) internal successors, (200), 129 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:56,914 INFO L93 Difference]: Finished difference Result 229 states and 272 transitions. [2025-02-08 08:54:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-02-08 08:54:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 1.5384615384615385) internal successors, (200), 129 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2025-02-08 08:54:56,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:56,919 INFO L225 Difference]: With dead ends: 229 [2025-02-08 08:54:56,919 INFO L226 Difference]: Without dead ends: 210 [2025-02-08 08:54:56,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2025-02-08 08:54:56,923 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:56,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:54:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2025-02-08 08:54:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2025-02-08 08:54:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 207 states have (on average 1.0434782608695652) internal successors, (216), 209 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 216 transitions. [2025-02-08 08:54:56,936 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 216 transitions. Word has length 101 [2025-02-08 08:54:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:56,936 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 216 transitions. [2025-02-08 08:54:56,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 1.5384615384615385) internal successors, (200), 129 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:54:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 216 transitions. [2025-02-08 08:54:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-08 08:54:56,940 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:56,940 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:56,950 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 08:54:57,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 08:54:57,142 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:57,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1266819665, now seen corresponding path program 5 times [2025-02-08 08:54:57,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:57,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459834976] [2025-02-08 08:54:57,143 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:54:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:57,172 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 197 statements into 64 equivalence classes. [2025-02-08 08:54:57,589 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) and asserted 197 of 197 statements. [2025-02-08 08:54:57,590 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2025-02-08 08:54:57,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:55:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5922 backedges. 0 proven. 5922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:55:02,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:55:02,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459834976] [2025-02-08 08:55:02,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459834976] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:55:02,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179553131] [2025-02-08 08:55:02,965 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:55:02,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:55:02,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:55:02,966 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 08:55:02,967 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 08:55:03,056 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 197 statements into 64 equivalence classes.