./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:43:59,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:43:59,924 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:43:59,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:43:59,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:43:59,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:43:59,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:43:59,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:43:59,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:43:59,960 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:43:59,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:43:59,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:43:59,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:43:59,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:43:59,962 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:43:59,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:43:59,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:43:59,962 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:43:59,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:43:59,963 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:43:59,964 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:43:59,964 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:43:59,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:43:59,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:43:59,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:43:59,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:43:59,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:43:59,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:43:59,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:43:59,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:43:59,966 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2025-02-06 13:44:00,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:44:00,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:44:00,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:44:00,241 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:44:00,242 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:44:00,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2025-02-06 13:44:01,551 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/835799b27/a48c77e18e674b3ea0f866a77fd574d6/FLAGa0600a3ed [2025-02-06 13:44:01,796 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:44:01,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2025-02-06 13:44:01,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/835799b27/a48c77e18e674b3ea0f866a77fd574d6/FLAGa0600a3ed [2025-02-06 13:44:01,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/835799b27/a48c77e18e674b3ea0f866a77fd574d6 [2025-02-06 13:44:01,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:44:01,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:44:01,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:44:01,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:44:01,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:44:01,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:44:01" (1/1) ... [2025-02-06 13:44:01,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667e9af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:01, skipping insertion in model container [2025-02-06 13:44:01,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:44:01" (1/1) ... [2025-02-06 13:44:01,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:44:02,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:44:02,017 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:44:02,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:44:02,044 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:44:02,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02 WrapperNode [2025-02-06 13:44:02,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:44:02,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:44:02,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:44:02,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:44:02,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,076 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2025-02-06 13:44:02,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:44:02,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:44:02,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:44:02,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:44:02,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,108 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 13:44:02,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:44:02,115 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:44:02,115 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:44:02,115 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:44:02,120 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (1/1) ... [2025-02-06 13:44:02,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:44:02,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:02,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:44:02,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:44:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:44:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:44:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:44:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:44:02,230 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:44:02,232 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:44:02,359 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-02-06 13:44:02,359 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:44:02,367 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:44:02,367 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:44:02,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:44:02 BoogieIcfgContainer [2025-02-06 13:44:02,369 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:44:02,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:44:02,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:44:02,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:44:02,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:44:01" (1/3) ... [2025-02-06 13:44:02,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d37f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:44:02, skipping insertion in model container [2025-02-06 13:44:02,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:44:02" (2/3) ... [2025-02-06 13:44:02,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d37f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:44:02, skipping insertion in model container [2025-02-06 13:44:02,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:44:02" (3/3) ... [2025-02-06 13:44:02,375 INFO L128 eAbstractionObserver]: Analyzing ICFG benchmark03_linear.i [2025-02-06 13:44:02,386 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:44:02,387 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark03_linear.i that has 1 procedures, 34 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2025-02-06 13:44:02,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:44:02,444 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;@1a50768d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:44:02,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-06 13:44:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 33 states have internal predecessors, (39), 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) [2025-02-06 13:44:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:44:02,453 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:02,455 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:44:02,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:02,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2099436280, now seen corresponding path program 1 times [2025-02-06 13:44:02,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:02,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062625422] [2025-02-06 13:44:02,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:02,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:44:02,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:44:02,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:02,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:02,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062625422] [2025-02-06 13:44:02,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062625422] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:02,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:02,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:44:02,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092929168] [2025-02-06 13:44:02,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:02,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:44:02,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:02,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:44:02,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:44:02,661 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 33 states have internal predecessors, (39), 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 2.0) internal successors, (6), 4 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) [2025-02-06 13:44:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:02,716 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2025-02-06 13:44:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:44:02,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2025-02-06 13:44:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:02,724 INFO L225 Difference]: With dead ends: 52 [2025-02-06 13:44:02,724 INFO L226 Difference]: Without dead ends: 30 [2025-02-06 13:44:02,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:44:02,730 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 84 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 [2025-02-06 13:44:02,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 84 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:02,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-06 13:44:02,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-02-06 13:44:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.55) internal successors, (31), 29 states have internal predecessors, (31), 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) [2025-02-06 13:44:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2025-02-06 13:44:02,758 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 6 [2025-02-06 13:44:02,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:02,760 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2025-02-06 13:44:02,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2025-02-06 13:44:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2025-02-06 13:44:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:44:02,761 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:02,761 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:02,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:44:02,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:02,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1076364138, now seen corresponding path program 1 times [2025-02-06 13:44:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:02,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609057992] [2025-02-06 13:44:02,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:02,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:44:02,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:44:02,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:02,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:02,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:02,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609057992] [2025-02-06 13:44:02,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609057992] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:02,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:02,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:44:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791450421] [2025-02-06 13:44:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:02,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:44:02,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:02,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:44:02,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:44:02,858 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-02-06 13:44:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:02,897 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2025-02-06 13:44:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:44:02,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-02-06 13:44:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:02,898 INFO L225 Difference]: With dead ends: 34 [2025-02-06 13:44:02,898 INFO L226 Difference]: Without dead ends: 32 [2025-02-06 13:44:02,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:44:02,899 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:02,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-02-06 13:44:02,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2025-02-06 13:44:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.5) internal successors, (33), 31 states have internal predecessors, (33), 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) [2025-02-06 13:44:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2025-02-06 13:44:02,906 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 8 [2025-02-06 13:44:02,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:02,907 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2025-02-06 13:44:02,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-02-06 13:44:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2025-02-06 13:44:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 13:44:02,908 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:02,908 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:02,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:44:02,908 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:02,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:02,909 INFO L85 PathProgramCache]: Analyzing trace with hash 701181492, now seen corresponding path program 1 times [2025-02-06 13:44:02,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:02,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846665455] [2025-02-06 13:44:02,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:02,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:44:02,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:44:02,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:02,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846665455] [2025-02-06 13:44:03,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846665455] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:44:03,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079070804] [2025-02-06 13:44:03,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:03,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:03,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,060 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2025-02-06 13:44:03,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,106 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2025-02-06 13:44:03,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:03,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 10 [2025-02-06 13:44:03,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,107 INFO L225 Difference]: With dead ends: 35 [2025-02-06 13:44:03,107 INFO L226 Difference]: Without dead ends: 34 [2025-02-06 13:44:03,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,108 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-02-06 13:44:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2025-02-06 13:44:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 32 states have internal predecessors, (34), 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) [2025-02-06 13:44:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2025-02-06 13:44:03,112 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 10 [2025-02-06 13:44:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,113 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2025-02-06 13:44:03,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2025-02-06 13:44:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2025-02-06 13:44:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 13:44:03,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,113 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:44:03,114 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash 261789761, now seen corresponding path program 1 times [2025-02-06 13:44:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090406056] [2025-02-06 13:44:03,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 13:44:03,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 13:44:03,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090406056] [2025-02-06 13:44:03,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090406056] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:44:03,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098347769] [2025-02-06 13:44:03,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:03,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:03,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,249 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2025-02-06 13:44:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,291 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2025-02-06 13:44:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:03,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2025-02-06 13:44:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,292 INFO L225 Difference]: With dead ends: 35 [2025-02-06 13:44:03,292 INFO L226 Difference]: Without dead ends: 34 [2025-02-06 13:44:03,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,293 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:03,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-02-06 13:44:03,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2025-02-06 13:44:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 33 states have internal predecessors, (35), 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) [2025-02-06 13:44:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2025-02-06 13:44:03,300 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 11 [2025-02-06 13:44:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,300 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2025-02-06 13:44:03,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2025-02-06 13:44:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2025-02-06 13:44:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:44:03,301 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,301 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:44:03,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash -474452014, now seen corresponding path program 1 times [2025-02-06 13:44:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114362605] [2025-02-06 13:44:03,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:44:03,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:44:03,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114362605] [2025-02-06 13:44:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114362605] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:44:03,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373579796] [2025-02-06 13:44:03,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:03,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,402 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-02-06 13:44:03,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,451 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2025-02-06 13:44:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:03,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2025-02-06 13:44:03,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,452 INFO L225 Difference]: With dead ends: 37 [2025-02-06 13:44:03,452 INFO L226 Difference]: Without dead ends: 36 [2025-02-06 13:44:03,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,453 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-06 13:44:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2025-02-06 13:44:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.44) internal successors, (36), 34 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) [2025-02-06 13:44:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2025-02-06 13:44:03,457 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 12 [2025-02-06 13:44:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,460 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2025-02-06 13:44:03,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-02-06 13:44:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2025-02-06 13:44:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 13:44:03,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:44:03,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1823110561, now seen corresponding path program 1 times [2025-02-06 13:44:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12071869] [2025-02-06 13:44:03,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 13:44:03,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 13:44:03,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12071869] [2025-02-06 13:44:03,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12071869] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:44:03,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022517826] [2025-02-06 13:44:03,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:03,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,561 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2025-02-06 13:44:03,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,609 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2025-02-06 13:44:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:03,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2025-02-06 13:44:03,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,610 INFO L225 Difference]: With dead ends: 37 [2025-02-06 13:44:03,610 INFO L226 Difference]: Without dead ends: 36 [2025-02-06 13:44:03,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:44:03,611 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:03,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-06 13:44:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-02-06 13:44:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 35 states have internal predecessors, (37), 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) [2025-02-06 13:44:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2025-02-06 13:44:03,618 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 13 [2025-02-06 13:44:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,618 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2025-02-06 13:44:03,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2025-02-06 13:44:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2025-02-06 13:44:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:44:03,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,618 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:44:03,619 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,619 INFO L85 PathProgramCache]: Analyzing trace with hash 337407101, now seen corresponding path program 1 times [2025-02-06 13:44:03,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215896058] [2025-02-06 13:44:03,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:44:03,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:44:03,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215896058] [2025-02-06 13:44:03,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215896058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:44:03,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706114374] [2025-02-06 13:44:03,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:44:03,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:44:03,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:44:03,721 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2025-02-06 13:44:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,788 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2025-02-06 13:44:03,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:44:03,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 15 [2025-02-06 13:44:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,790 INFO L225 Difference]: With dead ends: 56 [2025-02-06 13:44:03,790 INFO L226 Difference]: Without dead ends: 55 [2025-02-06 13:44:03,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:44:03,791 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 109 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:03,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-02-06 13:44:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 38. [2025-02-06 13:44:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 37 states have internal predecessors, (40), 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) [2025-02-06 13:44:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2025-02-06 13:44:03,799 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 15 [2025-02-06 13:44:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,799 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2025-02-06 13:44:03,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2025-02-06 13:44:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2025-02-06 13:44:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:44:03,800 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,800 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:44:03,800 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1869685518, now seen corresponding path program 1 times [2025-02-06 13:44:03,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240585539] [2025-02-06 13:44:03,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:44:03,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:44:03,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:03,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:03,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240585539] [2025-02-06 13:44:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240585539] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:03,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:03,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:44:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141840288] [2025-02-06 13:44:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:44:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:03,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:44:03,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:44:03,887 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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) [2025-02-06 13:44:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:03,934 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2025-02-06 13:44:03,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:44:03,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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 [2025-02-06 13:44:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:03,936 INFO L225 Difference]: With dead ends: 56 [2025-02-06 13:44:03,936 INFO L226 Difference]: Without dead ends: 55 [2025-02-06 13:44:03,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:44:03,937 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 20 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:03,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 76 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:03,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-02-06 13:44:03,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 39. [2025-02-06 13:44:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 38 states have internal predecessors, (41), 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) [2025-02-06 13:44:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2025-02-06 13:44:03,940 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 16 [2025-02-06 13:44:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:03,940 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-02-06 13:44:03,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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) [2025-02-06 13:44:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2025-02-06 13:44:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:44:03,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:03,941 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:03,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:44:03,942 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:03,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2125729839, now seen corresponding path program 1 times [2025-02-06 13:44:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:03,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455095300] [2025-02-06 13:44:03,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:03,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:44:03,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:44:03,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:03,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:04,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455095300] [2025-02-06 13:44:04,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455095300] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:04,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332244447] [2025-02-06 13:44:04,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:04,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:04,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:04,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:04,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:44:04,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:44:04,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:44:04,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:04,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:44:04,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,140 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:44:04,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332244447] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:04,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:44:04,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-06 13:44:04,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231932631] [2025-02-06 13:44:04,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:04,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:04,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:04,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:04,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:44:04,141 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2025-02-06 13:44:04,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:04,167 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2025-02-06 13:44:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:04,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 [2025-02-06 13:44:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:04,169 INFO L225 Difference]: With dead ends: 39 [2025-02-06 13:44:04,169 INFO L226 Difference]: Without dead ends: 38 [2025-02-06 13:44:04,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:44:04,170 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:04,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 41 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-02-06 13:44:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-02-06 13:44:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 37 states have internal predecessors, (40), 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) [2025-02-06 13:44:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2025-02-06 13:44:04,175 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 17 [2025-02-06 13:44:04,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:04,175 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2025-02-06 13:44:04,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2025-02-06 13:44:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2025-02-06 13:44:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 13:44:04,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:04,176 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:04,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:44:04,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:04,381 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:04,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1473115566, now seen corresponding path program 1 times [2025-02-06 13:44:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561716465] [2025-02-06 13:44:04,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:04,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 13:44:04,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 13:44:04,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:04,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:04,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561716465] [2025-02-06 13:44:04,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561716465] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:04,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539020136] [2025-02-06 13:44:04,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:04,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:04,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:04,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:04,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:44:04,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 13:44:04,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 13:44:04,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:04,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:44:04,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539020136] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:04,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:04,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-06 13:44:04,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547031821] [2025-02-06 13:44:04,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:04,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:44:04,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:04,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:44:04,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:44:04,591 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 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) [2025-02-06 13:44:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:04,649 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2025-02-06 13:44:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:44:04,649 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 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 18 [2025-02-06 13:44:04,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:04,650 INFO L225 Difference]: With dead ends: 81 [2025-02-06 13:44:04,650 INFO L226 Difference]: Without dead ends: 80 [2025-02-06 13:44:04,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:44:04,653 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:04,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 138 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:04,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-06 13:44:04,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2025-02-06 13:44:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 67 states have internal predecessors, (88), 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) [2025-02-06 13:44:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2025-02-06 13:44:04,660 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 18 [2025-02-06 13:44:04,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:04,660 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2025-02-06 13:44:04,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 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) [2025-02-06 13:44:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2025-02-06 13:44:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:44:04,660 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:04,660 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:04,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:04,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:04,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:04,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:04,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1578057715, now seen corresponding path program 1 times [2025-02-06 13:44:04,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:04,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693901241] [2025-02-06 13:44:04,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:04,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:04,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:44:04,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:44:04,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:04,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:04,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:04,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693901241] [2025-02-06 13:44:04,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693901241] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:04,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210339866] [2025-02-06 13:44:04,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:04,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:04,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:04,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:04,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:44:04,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:44:04,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:44:04,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:04,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:04,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:44:04,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:05,001 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:44:05,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210339866] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:05,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:44:05,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-06 13:44:05,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509724793] [2025-02-06 13:44:05,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:05,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:44:05,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:05,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:44:05,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:44:05,003 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2025-02-06 13:44:05,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:05,029 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2025-02-06 13:44:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:44:05,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 19 [2025-02-06 13:44:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:05,030 INFO L225 Difference]: With dead ends: 68 [2025-02-06 13:44:05,030 INFO L226 Difference]: Without dead ends: 67 [2025-02-06 13:44:05,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:44:05,031 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:05,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 63 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:05,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-02-06 13:44:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-02-06 13:44:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 66 states have internal predecessors, (85), 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) [2025-02-06 13:44:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2025-02-06 13:44:05,035 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 19 [2025-02-06 13:44:05,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:05,035 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2025-02-06 13:44:05,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2025-02-06 13:44:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2025-02-06 13:44:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 13:44:05,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:05,036 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:05,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:44:05,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:05,237 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:05,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1675148916, now seen corresponding path program 1 times [2025-02-06 13:44:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:05,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441589439] [2025-02-06 13:44:05,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:05,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:05,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:44:05,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:44:05,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:05,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:05,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:05,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441589439] [2025-02-06 13:44:05,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441589439] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:05,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479880068] [2025-02-06 13:44:05,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:05,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:05,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:05,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:44:05,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:44:05,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:44:05,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:05,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:05,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:44:05,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:05,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:05,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479880068] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:05,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:05,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-06 13:44:05,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982967693] [2025-02-06 13:44:05,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:05,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:44:05,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:05,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:44:05,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:44:05,458 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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) [2025-02-06 13:44:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:05,512 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2025-02-06 13:44:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:44:05,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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 20 [2025-02-06 13:44:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:05,513 INFO L225 Difference]: With dead ends: 78 [2025-02-06 13:44:05,513 INFO L226 Difference]: Without dead ends: 77 [2025-02-06 13:44:05,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:44:05,514 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 35 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:05,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 124 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-02-06 13:44:05,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2025-02-06 13:44:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 68 states have internal predecessors, (85), 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) [2025-02-06 13:44:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2025-02-06 13:44:05,534 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 20 [2025-02-06 13:44:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:05,534 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2025-02-06 13:44:05,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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) [2025-02-06 13:44:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2025-02-06 13:44:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 13:44:05,535 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:05,535 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:05,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:05,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 13:44:05,736 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:05,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:05,736 INFO L85 PathProgramCache]: Analyzing trace with hash -390008853, now seen corresponding path program 1 times [2025-02-06 13:44:05,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:05,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166390251] [2025-02-06 13:44:05,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:05,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:44:05,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:44:05,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:05,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:05,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166390251] [2025-02-06 13:44:05,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166390251] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:05,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071861078] [2025-02-06 13:44:05,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:05,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:05,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:05,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:05,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:44:05,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:44:05,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:44:05,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:05,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:05,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:44:05,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:06,073 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:44:06,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071861078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:06,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:44:06,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2025-02-06 13:44:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028368742] [2025-02-06 13:44:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:06,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:44:06,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:06,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:44:06,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:44:06,074 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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) [2025-02-06 13:44:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:06,139 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2025-02-06 13:44:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:44:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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 21 [2025-02-06 13:44:06,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:06,140 INFO L225 Difference]: With dead ends: 69 [2025-02-06 13:44:06,140 INFO L226 Difference]: Without dead ends: 68 [2025-02-06 13:44:06,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:44:06,141 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:06,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 97 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-06 13:44:06,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-06 13:44:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 67 states have internal predecessors, (82), 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) [2025-02-06 13:44:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2025-02-06 13:44:06,145 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 21 [2025-02-06 13:44:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:06,145 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2025-02-06 13:44:06,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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) [2025-02-06 13:44:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2025-02-06 13:44:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 13:44:06,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:06,146 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:06,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:06,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 13:44:06,347 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:06,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:06,347 INFO L85 PathProgramCache]: Analyzing trace with hash 794627434, now seen corresponding path program 1 times [2025-02-06 13:44:06,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:06,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291947266] [2025-02-06 13:44:06,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:06,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 13:44:06,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 13:44:06,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:06,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:06,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:06,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291947266] [2025-02-06 13:44:06,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291947266] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:06,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992353009] [2025-02-06 13:44:06,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:06,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:06,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:06,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:44:06,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 13:44:06,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 13:44:06,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:06,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:06,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:44:06,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:06,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:06,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992353009] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:06,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:06,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-06 13:44:06,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226096321] [2025-02-06 13:44:06,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:06,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:44:06,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:06,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:44:06,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:44:06,747 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 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) [2025-02-06 13:44:06,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:06,895 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2025-02-06 13:44:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:44:06,895 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 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 22 [2025-02-06 13:44:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:06,896 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:44:06,896 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:44:06,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:44:06,897 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 48 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:06,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 235 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:06,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:44:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 70. [2025-02-06 13:44:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 69 states have internal predecessors, (82), 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) [2025-02-06 13:44:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 82 transitions. [2025-02-06 13:44:06,904 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 82 transitions. Word has length 22 [2025-02-06 13:44:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:06,904 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 82 transitions. [2025-02-06 13:44:06,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 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) [2025-02-06 13:44:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2025-02-06 13:44:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 13:44:06,904 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:06,904 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:06,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:44:07,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 13:44:07,109 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:07,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:07,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1136353335, now seen corresponding path program 1 times [2025-02-06 13:44:07,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:07,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404059224] [2025-02-06 13:44:07,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:07,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:07,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 13:44:07,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 13:44:07,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:07,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:07,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:07,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404059224] [2025-02-06 13:44:07,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404059224] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:07,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028576946] [2025-02-06 13:44:07,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:07,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:07,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:07,216 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:07,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:44:07,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 13:44:07,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 13:44:07,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:07,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:07,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:44:07,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:07,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:44:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028576946] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:07,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:44:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2025-02-06 13:44:07,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782897161] [2025-02-06 13:44:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:07,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:44:07,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:07,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:44:07,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:44:07,410 INFO L87 Difference]: Start difference. First operand 70 states and 82 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 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) [2025-02-06 13:44:07,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:07,464 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2025-02-06 13:44:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:44:07,464 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 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) Word has length 23 [2025-02-06 13:44:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:07,464 INFO L225 Difference]: With dead ends: 70 [2025-02-06 13:44:07,464 INFO L226 Difference]: Without dead ends: 68 [2025-02-06 13:44:07,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:44:07,465 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:07,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 58 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:07,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-06 13:44:07,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-06 13:44:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 67 states have internal predecessors, (76), 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) [2025-02-06 13:44:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2025-02-06 13:44:07,471 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 23 [2025-02-06 13:44:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:07,471 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2025-02-06 13:44:07,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 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) [2025-02-06 13:44:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2025-02-06 13:44:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 13:44:07,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:07,472 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:07,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:07,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:07,673 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:07,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:07,673 INFO L85 PathProgramCache]: Analyzing trace with hash -867215032, now seen corresponding path program 1 times [2025-02-06 13:44:07,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:07,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970718001] [2025-02-06 13:44:07,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:07,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 13:44:07,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 13:44:07,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:07,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970718001] [2025-02-06 13:44:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970718001] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066633227] [2025-02-06 13:44:07,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:07,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:07,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:07,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:07,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:44:07,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 13:44:07,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 13:44:07,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:07,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:07,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:44:07,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:07,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:08,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066633227] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:08,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:08,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-06 13:44:08,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001894446] [2025-02-06 13:44:08,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:08,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 13:44:08,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:08,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 13:44:08,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:44:08,088 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 23 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 23 states have internal predecessors, (70), 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) [2025-02-06 13:44:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:08,270 INFO L93 Difference]: Finished difference Result 124 states and 138 transitions. [2025-02-06 13:44:08,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:44:08,271 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 23 states have internal predecessors, (70), 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 24 [2025-02-06 13:44:08,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:08,271 INFO L225 Difference]: With dead ends: 124 [2025-02-06 13:44:08,272 INFO L226 Difference]: Without dead ends: 123 [2025-02-06 13:44:08,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2025-02-06 13:44:08,273 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 44 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:08,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 135 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:08,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-06 13:44:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 112. [2025-02-06 13:44:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 107 states have (on average 1.1401869158878504) internal successors, (122), 111 states have internal predecessors, (122), 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) [2025-02-06 13:44:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2025-02-06 13:44:08,278 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 24 [2025-02-06 13:44:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:08,278 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2025-02-06 13:44:08,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 23 states have internal predecessors, (70), 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) [2025-02-06 13:44:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2025-02-06 13:44:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:44:08,279 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:08,279 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:44:08,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:44:08,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 13:44:08,483 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:08,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash -974749819, now seen corresponding path program 1 times [2025-02-06 13:44:08,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:08,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663200347] [2025-02-06 13:44:08,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:08,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:08,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:44:08,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:44:08,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:08,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:08,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:08,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663200347] [2025-02-06 13:44:08,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663200347] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:08,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:08,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:44:08,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067863714] [2025-02-06 13:44:08,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:08,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:44:08,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:08,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:44:08,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:44:08,513 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-02-06 13:44:08,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:08,522 INFO L93 Difference]: Finished difference Result 175 states and 190 transitions. [2025-02-06 13:44:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:44:08,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2025-02-06 13:44:08,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:08,524 INFO L225 Difference]: With dead ends: 175 [2025-02-06 13:44:08,524 INFO L226 Difference]: Without dead ends: 134 [2025-02-06 13:44:08,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:44:08,528 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:08,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:08,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-06 13:44:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2025-02-06 13:44:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 125 states have (on average 1.128) internal successors, (141), 129 states have internal predecessors, (141), 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) [2025-02-06 13:44:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 141 transitions. [2025-02-06 13:44:08,545 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 141 transitions. Word has length 27 [2025-02-06 13:44:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:08,545 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 141 transitions. [2025-02-06 13:44:08,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-02-06 13:44:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2025-02-06 13:44:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:44:08,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:08,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:44:08,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:44:08,548 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:08,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1180394760, now seen corresponding path program 1 times [2025-02-06 13:44:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:08,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936801040] [2025-02-06 13:44:08,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:08,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:08,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:44:08,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:44:08,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:08,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:08,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:08,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936801040] [2025-02-06 13:44:08,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936801040] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:08,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669284638] [2025-02-06 13:44:08,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:08,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:08,703 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:08,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:44:08,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:44:08,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:44:08,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:08,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:08,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:44:08,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:08,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:09,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669284638] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:09,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:09,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2025-02-06 13:44:09,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759160413] [2025-02-06 13:44:09,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:09,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-06 13:44:09,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:09,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-06 13:44:09,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:44:09,078 INFO L87 Difference]: Start difference. First operand 130 states and 141 transitions. Second operand has 28 states, 27 states have (on average 3.037037037037037) internal successors, (82), 28 states have internal predecessors, (82), 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) [2025-02-06 13:44:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:09,307 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2025-02-06 13:44:09,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:44:09,307 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.037037037037037) internal successors, (82), 28 states have internal predecessors, (82), 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 [2025-02-06 13:44:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:09,308 INFO L225 Difference]: With dead ends: 156 [2025-02-06 13:44:09,308 INFO L226 Difference]: Without dead ends: 154 [2025-02-06 13:44:09,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2025-02-06 13:44:09,309 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 91 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:09,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 153 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-06 13:44:09,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 119. [2025-02-06 13:44:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 114 states have (on average 1.1140350877192982) internal successors, (127), 118 states have internal predecessors, (127), 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) [2025-02-06 13:44:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2025-02-06 13:44:09,318 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 29 [2025-02-06 13:44:09,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:09,319 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2025-02-06 13:44:09,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.037037037037037) internal successors, (82), 28 states have internal predecessors, (82), 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) [2025-02-06 13:44:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2025-02-06 13:44:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 13:44:09,323 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:09,323 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:44:09,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 13:44:09,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 13:44:09,524 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:09,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:09,525 INFO L85 PathProgramCache]: Analyzing trace with hash 378380168, now seen corresponding path program 1 times [2025-02-06 13:44:09,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:09,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906673229] [2025-02-06 13:44:09,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:09,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:09,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:44:09,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:44:09,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:09,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-06 13:44:09,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:09,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906673229] [2025-02-06 13:44:09,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906673229] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:44:09,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:44:09,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:44:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020662192] [2025-02-06 13:44:09,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:44:09,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:44:09,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:09,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:44:09,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:44:09,568 INFO L87 Difference]: Start difference. First operand 119 states and 127 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 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) [2025-02-06 13:44:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:09,576 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2025-02-06 13:44:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:44:09,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 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) Word has length 50 [2025-02-06 13:44:09,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:09,577 INFO L225 Difference]: With dead ends: 159 [2025-02-06 13:44:09,577 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 13:44:09,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:44:09,577 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:09,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 51 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:09,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 13:44:09,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2025-02-06 13:44:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 106 states have (on average 1.0943396226415094) internal successors, (116), 110 states have internal predecessors, (116), 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) [2025-02-06 13:44:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 116 transitions. [2025-02-06 13:44:09,584 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 116 transitions. Word has length 50 [2025-02-06 13:44:09,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:09,584 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 116 transitions. [2025-02-06 13:44:09,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 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) [2025-02-06 13:44:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2025-02-06 13:44:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 13:44:09,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:09,585 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 13:44:09,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 13:44:09,585 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:09,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2116818117, now seen corresponding path program 2 times [2025-02-06 13:44:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300442999] [2025-02-06 13:44:09,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:09,592 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-02-06 13:44:09,607 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:44:09,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:09,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:09,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:09,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300442999] [2025-02-06 13:44:09,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300442999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:09,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795482619] [2025-02-06 13:44:09,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:09,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:09,857 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:09,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:44:09,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-02-06 13:44:09,905 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:44:09,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:09,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:09,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:44:09,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:10,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795482619] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:10,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:10,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 34 [2025-02-06 13:44:10,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439114979] [2025-02-06 13:44:10,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:10,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-02-06 13:44:10,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:10,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-02-06 13:44:10,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 13:44:10,325 INFO L87 Difference]: Start difference. First operand 111 states and 116 transitions. Second operand has 35 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 35 states have internal predecessors, (151), 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) [2025-02-06 13:44:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:10,636 INFO L93 Difference]: Finished difference Result 290 states and 332 transitions. [2025-02-06 13:44:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 13:44:10,636 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 35 states have internal predecessors, (151), 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 51 [2025-02-06 13:44:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:10,638 INFO L225 Difference]: With dead ends: 290 [2025-02-06 13:44:10,640 INFO L226 Difference]: Without dead ends: 289 [2025-02-06 13:44:10,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=1646, Unknown=0, NotChecked=0, Total=1980 [2025-02-06 13:44:10,641 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 102 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:10,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 536 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:44:10,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-06 13:44:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 269. [2025-02-06 13:44:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.2045454545454546) internal successors, (318), 268 states have internal predecessors, (318), 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) [2025-02-06 13:44:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 318 transitions. [2025-02-06 13:44:10,679 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 318 transitions. Word has length 51 [2025-02-06 13:44:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:10,680 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 318 transitions. [2025-02-06 13:44:10,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 35 states have internal predecessors, (151), 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) [2025-02-06 13:44:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 318 transitions. [2025-02-06 13:44:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:44:10,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:10,681 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-06 13:44:10,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:44:10,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:10,882 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:10,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1176055579, now seen corresponding path program 1 times [2025-02-06 13:44:10,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:10,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865747209] [2025-02-06 13:44:10,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:10,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:44:10,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:44:10,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:10,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:11,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865747209] [2025-02-06 13:44:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865747209] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395196568] [2025-02-06 13:44:11,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:44:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:11,141 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:11,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 13:44:11,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:44:11,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:44:11,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:44:11,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:11,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:44:11,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:11,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:11,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395196568] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:11,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:11,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2025-02-06 13:44:11,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692019355] [2025-02-06 13:44:11,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:11,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-02-06 13:44:11,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:11,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-02-06 13:44:11,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1987, Unknown=0, NotChecked=0, Total=2450 [2025-02-06 13:44:11,923 INFO L87 Difference]: Start difference. First operand 269 states and 318 transitions. Second operand has 50 states, 49 states have (on average 3.142857142857143) internal successors, (154), 50 states have internal predecessors, (154), 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) [2025-02-06 13:44:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:12,436 INFO L93 Difference]: Finished difference Result 275 states and 318 transitions. [2025-02-06 13:44:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-06 13:44:12,436 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 3.142857142857143) internal successors, (154), 50 states have internal predecessors, (154), 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 52 [2025-02-06 13:44:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:12,438 INFO L225 Difference]: With dead ends: 275 [2025-02-06 13:44:12,438 INFO L226 Difference]: Without dead ends: 274 [2025-02-06 13:44:12,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1516 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=733, Invalid=3173, Unknown=0, NotChecked=0, Total=3906 [2025-02-06 13:44:12,439 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 104 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:12,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 266 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:44:12,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-06 13:44:12,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 269. [2025-02-06 13:44:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.1742424242424243) internal successors, (310), 268 states have internal predecessors, (310), 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) [2025-02-06 13:44:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 310 transitions. [2025-02-06 13:44:12,449 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 310 transitions. Word has length 52 [2025-02-06 13:44:12,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:12,449 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 310 transitions. [2025-02-06 13:44:12,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.142857142857143) internal successors, (154), 50 states have internal predecessors, (154), 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) [2025-02-06 13:44:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 310 transitions. [2025-02-06 13:44:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 13:44:12,450 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:12,450 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 13:44:12,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 13:44:12,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-02-06 13:44:12,650 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1552288029, now seen corresponding path program 2 times [2025-02-06 13:44:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:12,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769561661] [2025-02-06 13:44:12,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:12,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:12,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-02-06 13:44:12,665 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:44:12,665 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:12,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:12,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:12,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769561661] [2025-02-06 13:44:12,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769561661] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:12,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412435173] [2025-02-06 13:44:12,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:12,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:12,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:12,862 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:12,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 13:44:12,891 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-02-06 13:44:12,909 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:44:12,909 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:12,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:12,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:44:12,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:13,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:13,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412435173] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:13,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:13,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 34 [2025-02-06 13:44:13,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071077947] [2025-02-06 13:44:13,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:13,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-02-06 13:44:13,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:13,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-02-06 13:44:13,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 13:44:13,251 INFO L87 Difference]: Start difference. First operand 269 states and 310 transitions. Second operand has 35 states, 34 states have (on average 4.617647058823529) internal successors, (157), 35 states have internal predecessors, (157), 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) [2025-02-06 13:44:13,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:13,555 INFO L93 Difference]: Finished difference Result 287 states and 316 transitions. [2025-02-06 13:44:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-02-06 13:44:13,559 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.617647058823529) internal successors, (157), 35 states have internal predecessors, (157), 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 [2025-02-06 13:44:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:13,560 INFO L225 Difference]: With dead ends: 287 [2025-02-06 13:44:13,560 INFO L226 Difference]: Without dead ends: 286 [2025-02-06 13:44:13,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=349, Invalid=1721, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:44:13,562 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 107 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:13,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 547 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:44:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-02-06 13:44:13,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2025-02-06 13:44:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.126865671641791) internal successors, (302), 272 states have internal predecessors, (302), 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) [2025-02-06 13:44:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 302 transitions. [2025-02-06 13:44:13,577 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 302 transitions. Word has length 53 [2025-02-06 13:44:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:13,578 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 302 transitions. [2025-02-06 13:44:13,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.617647058823529) internal successors, (157), 35 states have internal predecessors, (157), 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) [2025-02-06 13:44:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 302 transitions. [2025-02-06 13:44:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 13:44:13,578 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:13,579 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2025-02-06 13:44:13,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 13:44:13,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:13,779 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:13,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:13,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1823537464, now seen corresponding path program 2 times [2025-02-06 13:44:13,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:13,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85897484] [2025-02-06 13:44:13,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:13,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:13,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-06 13:44:13,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:44:13,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:13,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:14,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:14,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85897484] [2025-02-06 13:44:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85897484] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383907122] [2025-02-06 13:44:14,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:14,112 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:14,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 13:44:14,142 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-06 13:44:14,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:44:14,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:14,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:14,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 13:44:14,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:14,524 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:14,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383907122] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:14,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:14,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2025-02-06 13:44:14,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953193031] [2025-02-06 13:44:14,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:14,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-02-06 13:44:14,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:14,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-02-06 13:44:14,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=2150, Unknown=0, NotChecked=0, Total=2652 [2025-02-06 13:44:14,861 INFO L87 Difference]: Start difference. First operand 273 states and 302 transitions. Second operand has 52 states, 51 states have (on average 3.1372549019607843) internal successors, (160), 52 states have internal predecessors, (160), 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) [2025-02-06 13:44:15,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:15,397 INFO L93 Difference]: Finished difference Result 281 states and 302 transitions. [2025-02-06 13:44:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-02-06 13:44:15,397 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.1372549019607843) internal successors, (160), 52 states have internal predecessors, (160), 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 55 [2025-02-06 13:44:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:15,398 INFO L225 Difference]: With dead ends: 281 [2025-02-06 13:44:15,398 INFO L226 Difference]: Without dead ends: 280 [2025-02-06 13:44:15,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1750 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=891, Invalid=3801, Unknown=0, NotChecked=0, Total=4692 [2025-02-06 13:44:15,400 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 243 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:15,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 325 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:15,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-02-06 13:44:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 273. [2025-02-06 13:44:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.1119402985074627) internal successors, (298), 272 states have internal predecessors, (298), 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) [2025-02-06 13:44:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 298 transitions. [2025-02-06 13:44:15,410 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 298 transitions. Word has length 55 [2025-02-06 13:44:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:15,410 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 298 transitions. [2025-02-06 13:44:15,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.1372549019607843) internal successors, (160), 52 states have internal predecessors, (160), 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) [2025-02-06 13:44:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 298 transitions. [2025-02-06 13:44:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 13:44:15,411 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:15,411 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 13:44:15,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:15,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:15,612 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:15,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1395144447, now seen corresponding path program 2 times [2025-02-06 13:44:15,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:15,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964739054] [2025-02-06 13:44:15,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:15,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:15,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-06 13:44:15,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:44:15,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:15,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:15,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:15,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964739054] [2025-02-06 13:44:15,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964739054] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:15,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187056154] [2025-02-06 13:44:15,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:15,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:15,888 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:15,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:44:15,918 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-06 13:44:15,938 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:44:15,938 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:15,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:15,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:44:15,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:16,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:16,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187056154] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:16,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:16,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2025-02-06 13:44:16,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853611947] [2025-02-06 13:44:16,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:16,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-02-06 13:44:16,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:16,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-02-06 13:44:16,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=2028, Unknown=0, NotChecked=0, Total=2450 [2025-02-06 13:44:16,645 INFO L87 Difference]: Start difference. First operand 273 states and 298 transitions. Second operand has 50 states, 49 states have (on average 3.326530612244898) internal successors, (163), 50 states have internal predecessors, (163), 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) [2025-02-06 13:44:17,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:17,081 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2025-02-06 13:44:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 13:44:17,082 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 3.326530612244898) internal successors, (163), 50 states have internal predecessors, (163), 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 55 [2025-02-06 13:44:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:17,084 INFO L225 Difference]: With dead ends: 278 [2025-02-06 13:44:17,084 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 13:44:17,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=692, Invalid=3340, Unknown=0, NotChecked=0, Total=4032 [2025-02-06 13:44:17,085 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 145 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:17,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 408 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:44:17,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 13:44:17,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 273. [2025-02-06 13:44:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.0671641791044777) internal successors, (286), 272 states have internal predecessors, (286), 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) [2025-02-06 13:44:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 286 transitions. [2025-02-06 13:44:17,114 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 286 transitions. Word has length 55 [2025-02-06 13:44:17,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:17,114 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 286 transitions. [2025-02-06 13:44:17,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.326530612244898) internal successors, (163), 50 states have internal predecessors, (163), 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) [2025-02-06 13:44:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 286 transitions. [2025-02-06 13:44:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 13:44:17,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:17,115 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1] [2025-02-06 13:44:17,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:44:17,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 13:44:17,316 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:17,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash -749769761, now seen corresponding path program 2 times [2025-02-06 13:44:17,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:17,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627425735] [2025-02-06 13:44:17,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:17,323 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-02-06 13:44:17,339 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 13:44:17,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:17,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:17,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627425735] [2025-02-06 13:44:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627425735] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600418378] [2025-02-06 13:44:17,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:17,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:17,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:17,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 13:44:17,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-02-06 13:44:17,952 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 13:44:17,952 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:17,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:17,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 13:44:17,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:18,791 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:19,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600418378] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:19,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:19,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 85 [2025-02-06 13:44:19,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070950958] [2025-02-06 13:44:19,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:19,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-02-06 13:44:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:19,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-02-06 13:44:19,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=6214, Unknown=0, NotChecked=0, Total=7310 [2025-02-06 13:44:19,544 INFO L87 Difference]: Start difference. First operand 273 states and 286 transitions. Second operand has 86 states, 85 states have (on average 3.541176470588235) internal successors, (301), 86 states have internal predecessors, (301), 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) [2025-02-06 13:44:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:21,202 INFO L93 Difference]: Finished difference Result 371 states and 397 transitions. [2025-02-06 13:44:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-02-06 13:44:21,202 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 85 states have (on average 3.541176470588235) internal successors, (301), 86 states have internal predecessors, (301), 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 [2025-02-06 13:44:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:21,203 INFO L225 Difference]: With dead ends: 371 [2025-02-06 13:44:21,203 INFO L226 Difference]: Without dead ends: 370 [2025-02-06 13:44:21,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5393 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2375, Invalid=11905, Unknown=0, NotChecked=0, Total=14280 [2025-02-06 13:44:21,207 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 301 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:21,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 642 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:44:21,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-06 13:44:21,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 354. [2025-02-06 13:44:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 349 states have (on average 1.1031518624641834) internal successors, (385), 353 states have internal predecessors, (385), 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) [2025-02-06 13:44:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 385 transitions. [2025-02-06 13:44:21,220 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 385 transitions. Word has length 101 [2025-02-06 13:44:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 385 transitions. [2025-02-06 13:44:21,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 3.541176470588235) internal successors, (301), 86 states have internal predecessors, (301), 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) [2025-02-06 13:44:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 385 transitions. [2025-02-06 13:44:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 13:44:21,222 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:21,222 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1] [2025-02-06 13:44:21,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 13:44:21,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 13:44:21,426 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:21,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:21,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1576155720, now seen corresponding path program 3 times [2025-02-06 13:44:21,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:21,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161694188] [2025-02-06 13:44:21,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:21,437 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 107 statements into 8 equivalence classes. [2025-02-06 13:44:21,480 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:44:21,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:44:21,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:22,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161694188] [2025-02-06 13:44:22,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161694188] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433333887] [2025-02-06 13:44:22,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:22,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:22,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:22,162 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:22,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 13:44:22,196 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 107 statements into 8 equivalence classes. [2025-02-06 13:44:22,249 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:44:22,249 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:44:22,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:22,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-06 13:44:22,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:23,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:23,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433333887] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:23,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:23,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 99 [2025-02-06 13:44:23,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828476889] [2025-02-06 13:44:23,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:23,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-02-06 13:44:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:23,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-02-06 13:44:23,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1614, Invalid=8286, Unknown=0, NotChecked=0, Total=9900 [2025-02-06 13:44:23,985 INFO L87 Difference]: Start difference. First operand 354 states and 385 transitions. Second operand has 100 states, 99 states have (on average 3.191919191919192) internal successors, (316), 100 states have internal predecessors, (316), 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) [2025-02-06 13:44:25,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:25,919 INFO L93 Difference]: Finished difference Result 439 states and 467 transitions. [2025-02-06 13:44:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-02-06 13:44:25,920 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 3.191919191919192) internal successors, (316), 100 states have internal predecessors, (316), 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 107 [2025-02-06 13:44:25,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:25,921 INFO L225 Difference]: With dead ends: 439 [2025-02-06 13:44:25,921 INFO L226 Difference]: Without dead ends: 437 [2025-02-06 13:44:25,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7788 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3263, Invalid=16477, Unknown=0, NotChecked=0, Total=19740 [2025-02-06 13:44:25,923 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 622 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:25,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 575 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:44:25,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-02-06 13:44:25,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 413. [2025-02-06 13:44:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 408 states have (on average 1.1102941176470589) internal successors, (453), 412 states have internal predecessors, (453), 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) [2025-02-06 13:44:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 453 transitions. [2025-02-06 13:44:25,942 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 453 transitions. Word has length 107 [2025-02-06 13:44:25,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:25,942 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 453 transitions. [2025-02-06 13:44:25,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 3.191919191919192) internal successors, (316), 100 states have internal predecessors, (316), 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) [2025-02-06 13:44:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 453 transitions. [2025-02-06 13:44:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:44:25,943 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:25,943 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2025-02-06 13:44:25,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 13:44:26,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:26,145 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:26,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:26,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1273162207, now seen corresponding path program 3 times [2025-02-06 13:44:26,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:26,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132388722] [2025-02-06 13:44:26,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:26,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:26,152 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 11 equivalence classes. [2025-02-06 13:44:26,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:44:26,198 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:44:26,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:27,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:27,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132388722] [2025-02-06 13:44:27,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132388722] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:27,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729512568] [2025-02-06 13:44:27,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:27,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:27,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:27,010 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:27,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 13:44:27,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 11 equivalence classes. [2025-02-06 13:44:27,082 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:44:27,082 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:44:27,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:27,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-06 13:44:27,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:28,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:29,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729512568] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:29,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:29,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 103 [2025-02-06 13:44:29,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372212387] [2025-02-06 13:44:29,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:29,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2025-02-06 13:44:29,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:29,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2025-02-06 13:44:29,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1547, Invalid=9165, Unknown=0, NotChecked=0, Total=10712 [2025-02-06 13:44:29,172 INFO L87 Difference]: Start difference. First operand 413 states and 453 transitions. Second operand has 104 states, 103 states have (on average 3.504854368932039) internal successors, (361), 104 states have internal predecessors, (361), 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) [2025-02-06 13:44:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:30,890 INFO L93 Difference]: Finished difference Result 565 states and 629 transitions. [2025-02-06 13:44:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-02-06 13:44:30,891 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 103 states have (on average 3.504854368932039) internal successors, (361), 104 states have internal predecessors, (361), 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 121 [2025-02-06 13:44:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:30,893 INFO L225 Difference]: With dead ends: 565 [2025-02-06 13:44:30,893 INFO L226 Difference]: Without dead ends: 564 [2025-02-06 13:44:30,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7249 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2765, Invalid=15595, Unknown=0, NotChecked=0, Total=18360 [2025-02-06 13:44:30,895 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 640 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:30,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 823 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:44:30,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-06 13:44:30,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2025-02-06 13:44:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 536 states have (on average 1.1287313432835822) internal successors, (605), 540 states have internal predecessors, (605), 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) [2025-02-06 13:44:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 605 transitions. [2025-02-06 13:44:30,915 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 605 transitions. Word has length 121 [2025-02-06 13:44:30,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:30,915 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 605 transitions. [2025-02-06 13:44:30,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 103 states have (on average 3.504854368932039) internal successors, (361), 104 states have internal predecessors, (361), 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) [2025-02-06 13:44:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 605 transitions. [2025-02-06 13:44:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 13:44:30,918 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:30,918 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1] [2025-02-06 13:44:30,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 13:44:31,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:31,119 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:31,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:31,119 INFO L85 PathProgramCache]: Analyzing trace with hash -721675314, now seen corresponding path program 3 times [2025-02-06 13:44:31,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:31,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382343584] [2025-02-06 13:44:31,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:31,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 128 statements into 12 equivalence classes. [2025-02-06 13:44:31,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 51 of 128 statements. [2025-02-06 13:44:31,136 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 13:44:31,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 312 proven. 57 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-02-06 13:44:31,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:31,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382343584] [2025-02-06 13:44:31,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382343584] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:31,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802406482] [2025-02-06 13:44:31,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:31,281 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:31,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 13:44:31,334 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 128 statements into 12 equivalence classes. [2025-02-06 13:44:31,353 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 51 of 128 statements. [2025-02-06 13:44:31,353 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 13:44:31,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:31,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:44:31,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 312 proven. 57 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-02-06 13:44:31,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 312 proven. 57 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-02-06 13:44:31,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802406482] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:31,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:31,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-06 13:44:31,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721032239] [2025-02-06 13:44:31,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:31,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:44:31,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:31,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:44:31,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:44:31,652 INFO L87 Difference]: Start difference. First operand 541 states and 605 transitions. Second operand has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-02-06 13:44:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:31,795 INFO L93 Difference]: Finished difference Result 541 states and 605 transitions. [2025-02-06 13:44:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:44:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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 128 [2025-02-06 13:44:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:31,797 INFO L225 Difference]: With dead ends: 541 [2025-02-06 13:44:31,798 INFO L226 Difference]: Without dead ends: 540 [2025-02-06 13:44:31,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:44:31,798 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 42 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:31,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 95 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:31,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-06 13:44:31,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2025-02-06 13:44:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 536 states have (on average 1.083955223880597) internal successors, (581), 539 states have internal predecessors, (581), 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) [2025-02-06 13:44:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 581 transitions. [2025-02-06 13:44:31,821 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 581 transitions. Word has length 128 [2025-02-06 13:44:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:31,821 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 581 transitions. [2025-02-06 13:44:31,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-02-06 13:44:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 581 transitions. [2025-02-06 13:44:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-06 13:44:31,825 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:31,826 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1] [2025-02-06 13:44:31,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:32,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 13:44:32,027 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:32,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:32,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2040242260, now seen corresponding path program 3 times [2025-02-06 13:44:32,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:32,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661619805] [2025-02-06 13:44:32,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:32,035 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 130 statements into 12 equivalence classes. [2025-02-06 13:44:32,051 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 53 of 130 statements. [2025-02-06 13:44:32,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 13:44:32,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 320 proven. 57 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 13:44:32,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661619805] [2025-02-06 13:44:32,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661619805] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:32,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375261262] [2025-02-06 13:44:32,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:44:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:32,181 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:32,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 13:44:32,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 130 statements into 12 equivalence classes. [2025-02-06 13:44:32,244 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 53 of 130 statements. [2025-02-06 13:44:32,244 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 13:44:32,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:32,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:44:32,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 320 proven. 57 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 13:44:32,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 320 proven. 57 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 13:44:32,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375261262] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:32,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:32,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-06 13:44:32,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329155168] [2025-02-06 13:44:32,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:32,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:44:32,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:32,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:44:32,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:44:32,530 INFO L87 Difference]: Start difference. First operand 540 states and 581 transitions. Second operand has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-02-06 13:44:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:32,682 INFO L93 Difference]: Finished difference Result 540 states and 581 transitions. [2025-02-06 13:44:32,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:44:32,683 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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 130 [2025-02-06 13:44:32,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:32,685 INFO L225 Difference]: With dead ends: 540 [2025-02-06 13:44:32,685 INFO L226 Difference]: Without dead ends: 539 [2025-02-06 13:44:32,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:44:32,690 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 40 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:32,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 63 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:44:32,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-02-06 13:44:32,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2025-02-06 13:44:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 536 states have (on average 1.039179104477612) internal successors, (557), 538 states have internal predecessors, (557), 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) [2025-02-06 13:44:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 557 transitions. [2025-02-06 13:44:32,715 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 557 transitions. Word has length 130 [2025-02-06 13:44:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:32,715 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 557 transitions. [2025-02-06 13:44:32,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-02-06 13:44:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 557 transitions. [2025-02-06 13:44:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-02-06 13:44:32,717 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:32,718 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1] [2025-02-06 13:44:32,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 13:44:32,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:32,918 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:32,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:32,919 INFO L85 PathProgramCache]: Analyzing trace with hash -268466587, now seen corresponding path program 2 times [2025-02-06 13:44:32,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:32,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246007557] [2025-02-06 13:44:32,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:32,926 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 208 statements into 2 equivalence classes. [2025-02-06 13:44:32,965 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-02-06 13:44:32,965 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:32,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:34,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:34,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246007557] [2025-02-06 13:44:34,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246007557] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:34,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201387414] [2025-02-06 13:44:34,851 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:44:34,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:34,853 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:34,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 13:44:34,892 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 208 statements into 2 equivalence classes. [2025-02-06 13:44:34,939 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-02-06 13:44:34,939 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:44:34,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:34,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-02-06 13:44:34,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:37,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:40,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201387414] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:40,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:40,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 193 [2025-02-06 13:44:40,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139932270] [2025-02-06 13:44:40,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:40,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-02-06 13:44:40,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:40,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-02-06 13:44:40,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5527, Invalid=31915, Unknown=0, NotChecked=0, Total=37442 [2025-02-06 13:44:40,751 INFO L87 Difference]: Start difference. First operand 539 states and 557 transitions. Second operand has 194 states, 193 states have (on average 3.22279792746114) internal successors, (622), 194 states have internal predecessors, (622), 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) [2025-02-06 13:44:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:44:46,992 INFO L93 Difference]: Finished difference Result 782 states and 837 transitions. [2025-02-06 13:44:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-02-06 13:44:46,992 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 193 states have (on average 3.22279792746114) internal successors, (622), 194 states have internal predecessors, (622), 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 208 [2025-02-06 13:44:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:44:46,995 INFO L225 Difference]: With dead ends: 782 [2025-02-06 13:44:46,995 INFO L226 Difference]: Without dead ends: 781 [2025-02-06 13:44:46,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27900 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=10228, Invalid=54542, Unknown=0, NotChecked=0, Total=64770 [2025-02-06 13:44:46,998 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1246 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:44:46,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 965 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:44:47,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2025-02-06 13:44:47,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 770. [2025-02-06 13:44:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 767 states have (on average 1.0521512385919165) internal successors, (807), 769 states have internal predecessors, (807), 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) [2025-02-06 13:44:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 807 transitions. [2025-02-06 13:44:47,029 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 807 transitions. Word has length 208 [2025-02-06 13:44:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:44:47,029 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 807 transitions. [2025-02-06 13:44:47,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 193 states have (on average 3.22279792746114) internal successors, (622), 194 states have internal predecessors, (622), 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) [2025-02-06 13:44:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 807 transitions. [2025-02-06 13:44:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-02-06 13:44:47,032 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:44:47,032 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 1, 1, 1, 1] [2025-02-06 13:44:47,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 13:44:47,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:47,235 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:44:47,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:44:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash -659005112, now seen corresponding path program 4 times [2025-02-06 13:44:47,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:44:47,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396824702] [2025-02-06 13:44:47,236 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:44:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:44:47,244 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 211 statements into 2 equivalence classes. [2025-02-06 13:44:47,284 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-02-06 13:44:47,284 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:44:47,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:49,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:44:49,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396824702] [2025-02-06 13:44:49,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396824702] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:44:49,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300409753] [2025-02-06 13:44:49,313 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:44:49,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:44:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:44:49,315 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:44:49,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 13:44:49,357 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 211 statements into 2 equivalence classes. [2025-02-06 13:44:49,397 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-02-06 13:44:49,397 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:44:49,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:44:49,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-02-06 13:44:49,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:44:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:52,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:44:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:44:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300409753] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:44:55,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:44:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 195 [2025-02-06 13:44:55,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613370266] [2025-02-06 13:44:55,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:44:55,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2025-02-06 13:44:55,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:44:55,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2025-02-06 13:44:55,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5662, Invalid=32558, Unknown=0, NotChecked=0, Total=38220 [2025-02-06 13:44:55,120 INFO L87 Difference]: Start difference. First operand 770 states and 807 transitions. Second operand has 196 states, 195 states have (on average 3.2205128205128206) internal successors, (628), 196 states have internal predecessors, (628), 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) [2025-02-06 13:45:03,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:45:03,921 INFO L93 Difference]: Finished difference Result 805 states and 824 transitions. [2025-02-06 13:45:03,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-02-06 13:45:03,921 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 195 states have (on average 3.2205128205128206) internal successors, (628), 196 states have internal predecessors, (628), 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 211 [2025-02-06 13:45:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:45:03,924 INFO L225 Difference]: With dead ends: 805 [2025-02-06 13:45:03,924 INFO L226 Difference]: Without dead ends: 804 [2025-02-06 13:45:03,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32709 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=12523, Invalid=68417, Unknown=0, NotChecked=0, Total=80940 [2025-02-06 13:45:03,927 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 2185 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:45:03,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 1055 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:45:03,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-02-06 13:45:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 773. [2025-02-06 13:45:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 770 states have (on average 1.0324675324675325) internal successors, (795), 772 states have internal predecessors, (795), 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) [2025-02-06 13:45:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 795 transitions. [2025-02-06 13:45:03,958 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 795 transitions. Word has length 211 [2025-02-06 13:45:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:45:03,958 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 795 transitions. [2025-02-06 13:45:03,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 195 states have (on average 3.2205128205128206) internal successors, (628), 196 states have internal predecessors, (628), 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) [2025-02-06 13:45:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 795 transitions. [2025-02-06 13:45:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-02-06 13:45:03,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:45:03,961 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2025-02-06 13:45:03,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 13:45:04,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-06 13:45:04,162 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:45:04,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:45:04,162 INFO L85 PathProgramCache]: Analyzing trace with hash -80586655, now seen corresponding path program 4 times [2025-02-06 13:45:04,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:45:04,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860590848] [2025-02-06 13:45:04,162 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:45:04,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:45:04,169 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 253 statements into 2 equivalence classes. [2025-02-06 13:45:04,217 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 253 of 253 statements. [2025-02-06 13:45:04,217 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:45:04,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:45:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:45:06,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:45:06,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860590848] [2025-02-06 13:45:06,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860590848] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:45:06,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810710662] [2025-02-06 13:45:06,598 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:45:06,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:45:06,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:45:06,600 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:45:06,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 13:45:06,642 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 253 statements into 2 equivalence classes. [2025-02-06 13:45:06,690 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 253 of 253 statements. [2025-02-06 13:45:06,691 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:45:06,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:45:06,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-02-06 13:45:06,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:45:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:45:09,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:45:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:45:13,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810710662] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:45:13,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:45:13,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 211 [2025-02-06 13:45:13,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602001214] [2025-02-06 13:45:13,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:45:13,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2025-02-06 13:45:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:45:13,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2025-02-06 13:45:13,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5849, Invalid=38883, Unknown=0, NotChecked=0, Total=44732 [2025-02-06 13:45:13,827 INFO L87 Difference]: Start difference. First operand 773 states and 795 transitions. Second operand has 212 states, 211 states have (on average 3.5876777251184833) internal successors, (757), 212 states have internal predecessors, (757), 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) [2025-02-06 13:45:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:45:22,658 INFO L93 Difference]: Finished difference Result 1144 states and 1207 transitions. [2025-02-06 13:45:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-02-06 13:45:22,659 INFO L78 Accepts]: Start accepts. Automaton has has 212 states, 211 states have (on average 3.5876777251184833) internal successors, (757), 212 states have internal predecessors, (757), 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 253 [2025-02-06 13:45:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:45:22,662 INFO L225 Difference]: With dead ends: 1144 [2025-02-06 13:45:22,662 INFO L226 Difference]: Without dead ends: 1143 [2025-02-06 13:45:22,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31717 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=11015, Invalid=67105, Unknown=0, NotChecked=0, Total=78120 [2025-02-06 13:45:22,665 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 2658 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2658 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:45:22,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2658 Valid, 1541 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:45:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2025-02-06 13:45:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1115. [2025-02-06 13:45:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1112 states have (on average 1.0422661870503598) internal successors, (1159), 1114 states have internal predecessors, (1159), 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) [2025-02-06 13:45:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1159 transitions. [2025-02-06 13:45:22,710 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1159 transitions. Word has length 253 [2025-02-06 13:45:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:45:22,711 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1159 transitions. [2025-02-06 13:45:22,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 211 states have (on average 3.5876777251184833) internal successors, (757), 212 states have internal predecessors, (757), 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) [2025-02-06 13:45:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1159 transitions. [2025-02-06 13:45:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2025-02-06 13:45:22,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:45:22,715 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 32, 32, 1, 1, 1, 1] [2025-02-06 13:45:22,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 13:45:22,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-02-06 13:45:22,916 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 13:45:22,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:45:22,917 INFO L85 PathProgramCache]: Analyzing trace with hash -412479393, now seen corresponding path program 3 times [2025-02-06 13:45:22,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:45:22,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557984560] [2025-02-06 13:45:22,917 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:45:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:45:22,932 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 365 statements into 33 equivalence classes. [2025-02-06 13:45:23,186 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) and asserted 365 of 365 statements. [2025-02-06 13:45:23,187 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2025-02-06 13:45:23,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat