./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/ps6.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:49:45,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:49:45,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:49:45,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:49:45,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:49:45,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:49:45,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:49:45,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:49:45,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:49:45,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:49:45,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:49:45,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:49:45,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:49:45,715 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:49:45,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:49:45,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:49:45,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:49:45,717 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 -> 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 [2025-02-06 13:49:45,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:49:45,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:49:45,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:49:45,961 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:49:45,961 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:49:45,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2025-02-06 13:49:47,074 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb730ffa1/eed8d9de35eb48fb810a59399109d46e/FLAGaf31de63e [2025-02-06 13:49:47,270 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:49:47,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2025-02-06 13:49:47,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb730ffa1/eed8d9de35eb48fb810a59399109d46e/FLAGaf31de63e [2025-02-06 13:49:47,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb730ffa1/eed8d9de35eb48fb810a59399109d46e [2025-02-06 13:49:47,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:49:47,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:49:47,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:49:47,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:49:47,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:49:47,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a436c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47, skipping insertion in model container [2025-02-06 13:49:47,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:49:47,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:49:47,775 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:49:47,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:49:47,797 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:49:47,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47 WrapperNode [2025-02-06 13:49:47,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:49:47,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:49:47,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:49:47,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:49:47,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,828 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 145 [2025-02-06 13:49:47,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:49:47,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:49:47,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:49:47,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:49:47,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,847 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 0 writes are split as follows [0, 0]. [2025-02-06 13:49:47,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:49:47,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:49:47,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:49:47,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:49:47,861 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (1/1) ... [2025-02-06 13:49:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:49:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:47,886 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 13:49:47,891 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 13:49:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:49:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:49:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:49:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:49:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:49:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:49:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:49:47,950 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:49:47,952 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:49:48,326 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-06 13:49:48,326 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:49:48,340 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:49:48,340 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:49:48,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:49:48 BoogieIcfgContainer [2025-02-06 13:49:48,340 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:49:48,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:49:48,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:49:48,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:49:48,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:49:47" (1/3) ... [2025-02-06 13:49:48,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ddb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:49:48, skipping insertion in model container [2025-02-06 13:49:48,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:49:47" (2/3) ... [2025-02-06 13:49:48,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ddb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:49:48, skipping insertion in model container [2025-02-06 13:49:48,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:49:48" (3/3) ... [2025-02-06 13:49:48,348 INFO L128 eAbstractionObserver]: Analyzing ICFG ps6.c [2025-02-06 13:49:48,359 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:49:48,360 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps6.c that has 2 procedures, 221 locations, 1 initial locations, 1 loop locations, and 102 error locations. [2025-02-06 13:49:48,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:49:48,416 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;@5cfc3b88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:49:48,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2025-02-06 13:49:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 216 states have internal predecessors, (219), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:49:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 13:49:48,424 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:48,424 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 13:49:48,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:48,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:48,428 INFO L85 PathProgramCache]: Analyzing trace with hash 7541023, now seen corresponding path program 1 times [2025-02-06 13:49:48,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:48,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143711093] [2025-02-06 13:49:48,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:48,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 13:49:48,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 13:49:48,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:48,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:48,540 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 13:49:48,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:48,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143711093] [2025-02-06 13:49:48,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143711093] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:48,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:48,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:49:48,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418223768] [2025-02-06 13:49:48,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:48,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:49:48,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:48,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:49:48,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:48,564 INFO L87 Difference]: Start difference. First operand has 221 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 216 states have internal predecessors, (219), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:49:48,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:48,917 INFO L93 Difference]: Finished difference Result 519 states and 649 transitions. [2025-02-06 13:49:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:49:48,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-02-06 13:49:48,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:48,923 INFO L225 Difference]: With dead ends: 519 [2025-02-06 13:49:48,924 INFO L226 Difference]: Without dead ends: 286 [2025-02-06 13:49:48,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:48,927 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 100 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:48,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 135 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:49:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-02-06 13:49:48,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2025-02-06 13:49:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 199 states have (on average 1.4371859296482412) internal successors, (286), 275 states have internal predecessors, (286), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:49:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 292 transitions. [2025-02-06 13:49:48,959 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 292 transitions. Word has length 4 [2025-02-06 13:49:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:48,960 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 292 transitions. [2025-02-06 13:49:48,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:49:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 292 transitions. [2025-02-06 13:49:48,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 13:49:48,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:48,961 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:48,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:49:48,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:48,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash 15360121, now seen corresponding path program 1 times [2025-02-06 13:49:48,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:48,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086386058] [2025-02-06 13:49:48,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:48,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:48,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:49:48,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:49:48,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:48,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:49,090 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 13:49:49,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:49,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086386058] [2025-02-06 13:49:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086386058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:49,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:49:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370768938] [2025-02-06 13:49:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:49,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:49:49,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:49,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:49:49,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:49,094 INFO L87 Difference]: Start difference. First operand 280 states and 292 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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 13:49:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:49,149 INFO L93 Difference]: Finished difference Result 304 states and 310 transitions. [2025-02-06 13:49:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:49:49,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2025-02-06 13:49:49,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:49,151 INFO L225 Difference]: With dead ends: 304 [2025-02-06 13:49:49,151 INFO L226 Difference]: Without dead ends: 297 [2025-02-06 13:49:49,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:49,152 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:49,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 346 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:49:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-06 13:49:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2025-02-06 13:49:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 198 states have (on average 1.4090909090909092) internal successors, (279), 274 states have internal predecessors, (279), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:49:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 285 transitions. [2025-02-06 13:49:49,161 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 285 transitions. Word has length 42 [2025-02-06 13:49:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:49,161 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 285 transitions. [2025-02-06 13:49:49,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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 13:49:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 285 transitions. [2025-02-06 13:49:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:49:49,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:49,162 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:49,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:49:49,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:49,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1876177655, now seen corresponding path program 1 times [2025-02-06 13:49:49,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:49,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689811065] [2025-02-06 13:49:49,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:49,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:49,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:49:49,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:49:49,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:49,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:49,253 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 13:49:49,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:49,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689811065] [2025-02-06 13:49:49,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689811065] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:49,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:49,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:49:49,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842773125] [2025-02-06 13:49:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:49,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:49,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:49,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:49,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:49,256 INFO L87 Difference]: Start difference. First operand 279 states and 285 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 13:49:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:49,400 INFO L93 Difference]: Finished difference Result 299 states and 303 transitions. [2025-02-06 13:49:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:49:49,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2025-02-06 13:49:49,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:49,403 INFO L225 Difference]: With dead ends: 299 [2025-02-06 13:49:49,403 INFO L226 Difference]: Without dead ends: 256 [2025-02-06 13:49:49,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:49,404 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 151 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:49,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 271 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:49:49,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-02-06 13:49:49,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2025-02-06 13:49:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 157 states have (on average 1.5031847133757963) internal successors, (236), 233 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:49:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 242 transitions. [2025-02-06 13:49:49,418 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 242 transitions. Word has length 44 [2025-02-06 13:49:49,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:49,418 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 242 transitions. [2025-02-06 13:49:49,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 13:49:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 242 transitions. [2025-02-06 13:49:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:49:49,420 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:49,420 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:49,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:49:49,420 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:49,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:49,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1851433668, now seen corresponding path program 1 times [2025-02-06 13:49:49,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:49,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495010153] [2025-02-06 13:49:49,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:49,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:49,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:49:49,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:49:49,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:49,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:49,515 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 13:49:49,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:49,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495010153] [2025-02-06 13:49:49,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495010153] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:49,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:49,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:49:49,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726597701] [2025-02-06 13:49:49,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:49,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:49:49,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:49,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:49:49,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:49,517 INFO L87 Difference]: Start difference. First operand 238 states and 242 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:49,533 INFO L93 Difference]: Finished difference Result 240 states and 242 transitions. [2025-02-06 13:49:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:49:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2025-02-06 13:49:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:49,535 INFO L225 Difference]: With dead ends: 240 [2025-02-06 13:49:49,535 INFO L226 Difference]: Without dead ends: 238 [2025-02-06 13:49:49,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:49,536 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:49,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 370 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:49:49,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-02-06 13:49:49,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2025-02-06 13:49:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 157 states have (on average 1.4904458598726114) internal successors, (234), 233 states have internal predecessors, (234), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:49:49,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 240 transitions. [2025-02-06 13:49:49,552 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 240 transitions. Word has length 52 [2025-02-06 13:49:49,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:49,552 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 240 transitions. [2025-02-06 13:49:49,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 240 transitions. [2025-02-06 13:49:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-06 13:49:49,554 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:49,554 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:49,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:49:49,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:49,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:49,556 INFO L85 PathProgramCache]: Analyzing trace with hash -876893861, now seen corresponding path program 1 times [2025-02-06 13:49:49,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:49,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764129252] [2025-02-06 13:49:49,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:49,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 13:49:49,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 13:49:49,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:49,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:49,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036651199] [2025-02-06 13:49:49,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:49,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:49,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:49,578 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 13:49:49,580 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 13:49:49,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 13:49:49,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 13:49:49,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:49,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:49,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:49:49,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:49,716 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 13:49:49,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:49:49,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764129252] [2025-02-06 13:49:49,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:49,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036651199] [2025-02-06 13:49:49,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036651199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:49,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:49,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:49:49,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029733940] [2025-02-06 13:49:49,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:49,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:49,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:49,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:49,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:49,718 INFO L87 Difference]: Start difference. First operand 238 states and 240 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:50,080 INFO L93 Difference]: Finished difference Result 413 states and 425 transitions. [2025-02-06 13:49:50,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:49:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2025-02-06 13:49:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:50,081 INFO L225 Difference]: With dead ends: 413 [2025-02-06 13:49:50,081 INFO L226 Difference]: Without dead ends: 348 [2025-02-06 13:49:50,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 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 13:49:50,082 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 108 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:50,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 140 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:49:50,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-06 13:49:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2025-02-06 13:49:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3513513513513513) internal successors, (350), 335 states have internal predecessors, (350), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:49:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 360 transitions. [2025-02-06 13:49:50,095 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 360 transitions. Word has length 57 [2025-02-06 13:49:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:50,095 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 360 transitions. [2025-02-06 13:49:50,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 360 transitions. [2025-02-06 13:49:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 13:49:50,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:50,100 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:50,107 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 13:49:50,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:50,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:50,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:50,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2006386544, now seen corresponding path program 1 times [2025-02-06 13:49:50,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:50,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044294347] [2025-02-06 13:49:50,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:50,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:49:50,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:49:50,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:50,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:50,392 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 13:49:50,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044294347] [2025-02-06 13:49:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044294347] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:50,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:50,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:49:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564993150] [2025-02-06 13:49:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:50,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:50,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:50,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:50,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:50,395 INFO L87 Difference]: Start difference. First operand 342 states and 360 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:50,477 INFO L93 Difference]: Finished difference Result 343 states and 360 transitions. [2025-02-06 13:49:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:49:50,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2025-02-06 13:49:50,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:50,479 INFO L225 Difference]: With dead ends: 343 [2025-02-06 13:49:50,480 INFO L226 Difference]: Without dead ends: 342 [2025-02-06 13:49:50,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:50,480 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 55 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:50,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 304 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:49:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-06 13:49:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2025-02-06 13:49:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3474903474903475) internal successors, (349), 335 states have internal predecessors, (349), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:49:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 359 transitions. [2025-02-06 13:49:50,493 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 359 transitions. Word has length 64 [2025-02-06 13:49:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:50,495 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 359 transitions. [2025-02-06 13:49:50,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2025-02-06 13:49:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 13:49:50,497 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:50,497 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:50,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:49:50,497 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:50,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:50,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2068440787, now seen corresponding path program 1 times [2025-02-06 13:49:50,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:50,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014518153] [2025-02-06 13:49:50,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:50,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:50,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:49:50,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:49:50,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:50,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:50,562 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 13:49:50,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:50,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014518153] [2025-02-06 13:49:50,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014518153] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:50,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:50,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:49:50,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219003993] [2025-02-06 13:49:50,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:50,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:50,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:50,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:50,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:50,563 INFO L87 Difference]: Start difference. First operand 342 states and 359 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:50,635 INFO L93 Difference]: Finished difference Result 343 states and 359 transitions. [2025-02-06 13:49:50,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:49:50,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2025-02-06 13:49:50,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:50,637 INFO L225 Difference]: With dead ends: 343 [2025-02-06 13:49:50,637 INFO L226 Difference]: Without dead ends: 342 [2025-02-06 13:49:50,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:50,638 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 47 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:50,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 313 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:49:50,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-06 13:49:50,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2025-02-06 13:49:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3436293436293436) internal successors, (348), 335 states have internal predecessors, (348), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:49:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 358 transitions. [2025-02-06 13:49:50,647 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 358 transitions. Word has length 65 [2025-02-06 13:49:50,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:50,648 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 358 transitions. [2025-02-06 13:49:50,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 358 transitions. [2025-02-06 13:49:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 13:49:50,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:50,651 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:50,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:49:50,651 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:50,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1477742251, now seen corresponding path program 1 times [2025-02-06 13:49:50,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:50,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498490992] [2025-02-06 13:49:50,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:50,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:50,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 13:49:50,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 13:49:50,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:50,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:50,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376904304] [2025-02-06 13:49:50,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:50,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:50,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:50,676 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 13:49:50,678 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 13:49:50,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 13:49:50,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 13:49:50,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:50,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:50,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:49:50,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:49:50,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:49:51,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:51,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498490992] [2025-02-06 13:49:51,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:51,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376904304] [2025-02-06 13:49:51,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376904304] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:51,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:51,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 13:49:51,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266795055] [2025-02-06 13:49:51,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:51,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:49:51,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:51,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:49:51,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:51,176 INFO L87 Difference]: Start difference. First operand 342 states and 358 transitions. Second operand has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:49:52,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:52,028 INFO L93 Difference]: Finished difference Result 366 states and 376 transitions. [2025-02-06 13:49:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:49:52,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2025-02-06 13:49:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:52,030 INFO L225 Difference]: With dead ends: 366 [2025-02-06 13:49:52,030 INFO L226 Difference]: Without dead ends: 357 [2025-02-06 13:49:52,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:49:52,032 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 412 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:52,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 130 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:49:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-02-06 13:49:52,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 346. [2025-02-06 13:49:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.3120300751879699) internal successors, (349), 339 states have internal predecessors, (349), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:49:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 359 transitions. [2025-02-06 13:49:52,043 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 359 transitions. Word has length 105 [2025-02-06 13:49:52,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:52,043 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 359 transitions. [2025-02-06 13:49:52,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:49:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 359 transitions. [2025-02-06 13:49:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 13:49:52,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:52,045 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:49:52,053 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 13:49:52,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:52,246 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:49:52,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1523868503, now seen corresponding path program 1 times [2025-02-06 13:49:52,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:52,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733472588] [2025-02-06 13:49:52,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:52,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:52,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 13:49:52,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:49:52,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:52,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:52,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777740724] [2025-02-06 13:49:52,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:52,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:52,269 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 13:49:52,272 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 13:49:52,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 13:49:52,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:49:52,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:52,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:52,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:49:52,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:49:52,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 13:49:52,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:52,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733472588] [2025-02-06 13:49:52,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:52,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777740724] [2025-02-06 13:49:52,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777740724] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:52,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:49:52,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-06 13:49:52,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634134977] [2025-02-06 13:49:52,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:52,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:52,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:52,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:52,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:49:52,957 INFO L87 Difference]: Start difference. First operand 346 states and 359 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:49:58,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:13,992 INFO L93 Difference]: Finished difference Result 346 states and 359 transitions. [2025-02-06 13:50:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:50:13,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2025-02-06 13:50:13,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:13,994 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:50:13,995 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 13:50:13,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:50:13,997 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 95 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:13,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 35 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2025-02-06 13:50:13,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 13:50:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2025-02-06 13:50:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 266 states have (on average 1.2969924812030076) internal successors, (345), 337 states have internal predecessors, (345), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:50:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 355 transitions. [2025-02-06 13:50:14,011 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 355 transitions. Word has length 107 [2025-02-06 13:50:14,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:14,012 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 355 transitions. [2025-02-06 13:50:14,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 13:50:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 355 transitions. [2025-02-06 13:50:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 13:50:14,012 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:14,012 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:14,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:50:14,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:14,213 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:50:14,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1457982226, now seen corresponding path program 1 times [2025-02-06 13:50:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:14,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777499349] [2025-02-06 13:50:14,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:14,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 13:50:14,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 13:50:14,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:14,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:14,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:14,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777499349] [2025-02-06 13:50:14,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777499349] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:50:14,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888075454] [2025-02-06 13:50:14,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:14,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:14,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:14,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:14,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:50:14,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 13:50:14,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 13:50:14,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:14,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:14,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:50:14,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:14,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:50:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888075454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:50:14,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:50:14,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:50:14,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535826581] [2025-02-06 13:50:14,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:50:14,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:50:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:14,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:50:14,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:14,504 INFO L87 Difference]: Start difference. First operand 344 states and 355 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:14,521 INFO L93 Difference]: Finished difference Result 344 states and 355 transitions. [2025-02-06 13:50:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:50:14,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 115 [2025-02-06 13:50:14,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:14,523 INFO L225 Difference]: With dead ends: 344 [2025-02-06 13:50:14,523 INFO L226 Difference]: Without dead ends: 343 [2025-02-06 13:50:14,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:50:14,524 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 77 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:14,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 352 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:50:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-02-06 13:50:14,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2025-02-06 13:50:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 266 states have (on average 1.2894736842105263) internal successors, (343), 336 states have internal predecessors, (343), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:50:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 353 transitions. [2025-02-06 13:50:14,534 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 353 transitions. Word has length 115 [2025-02-06 13:50:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:14,534 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 353 transitions. [2025-02-06 13:50:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:50:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 353 transitions. [2025-02-06 13:50:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-06 13:50:14,536 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:14,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:14,544 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 13:50:14,737 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,SelfDestructingSolverStorable9 [2025-02-06 13:50:14,737 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:50:14,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:14,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2047191341, now seen corresponding path program 1 times [2025-02-06 13:50:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307157604] [2025-02-06 13:50:14,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:14,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 13:50:14,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 13:50:14,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:14,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:14,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307157604] [2025-02-06 13:50:14,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307157604] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:50:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017334542] [2025-02-06 13:50:14,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:14,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:14,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:14,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:14,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:50:14,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 13:50:14,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 13:50:14,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:14,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:14,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:50:14,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:14,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:50:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:15,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017334542] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:50:15,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:50:15,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:50:15,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399166456] [2025-02-06 13:50:15,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:50:15,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:50:15,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:15,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:50:15,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:50:15,089 INFO L87 Difference]: Start difference. First operand 343 states and 353 transitions. Second operand has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:50:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:15,124 INFO L93 Difference]: Finished difference Result 525 states and 537 transitions. [2025-02-06 13:50:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:50:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 116 [2025-02-06 13:50:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:15,126 INFO L225 Difference]: With dead ends: 525 [2025-02-06 13:50:15,126 INFO L226 Difference]: Without dead ends: 524 [2025-02-06 13:50:15,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:50:15,127 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 118 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:15,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 721 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:50:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-02-06 13:50:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 452. [2025-02-06 13:50:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 373 states have (on average 1.3941018766756033) internal successors, (520), 443 states have internal predecessors, (520), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 13:50:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 534 transitions. [2025-02-06 13:50:15,140 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 534 transitions. Word has length 116 [2025-02-06 13:50:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:15,140 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 534 transitions. [2025-02-06 13:50:15,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 13:50:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 534 transitions. [2025-02-06 13:50:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 13:50:15,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:15,141 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:50:15,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:50:15,346 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,SelfDestructingSolverStorable10 [2025-02-06 13:50:15,346 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:50:15,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:15,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1068306665, now seen corresponding path program 1 times [2025-02-06 13:50:15,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:15,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438235071] [2025-02-06 13:50:15,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:15,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:15,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:50:15,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:50:15,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:15,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:15,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049328730] [2025-02-06 13:50:15,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:15,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:15,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:15,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:50:15,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:50:15,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:50:15,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:50:15,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:15,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:15,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:50:15,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:15,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:50:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:50:15,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:15,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438235071] [2025-02-06 13:50:15,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049328730] [2025-02-06 13:50:15,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049328730] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:50:15,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:50:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 13:50:15,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117787064] [2025-02-06 13:50:15,662 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:50:15,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:50:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:15,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:50:15,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:50:15,663 INFO L87 Difference]: Start difference. First operand 452 states and 534 transitions. Second operand has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:50:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:50:16,217 INFO L93 Difference]: Finished difference Result 544 states and 613 transitions. [2025-02-06 13:50:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:50:16,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 120 [2025-02-06 13:50:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:50:16,219 INFO L225 Difference]: With dead ends: 544 [2025-02-06 13:50:16,219 INFO L226 Difference]: Without dead ends: 479 [2025-02-06 13:50:16,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:50:16,220 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 408 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:50:16,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 135 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:50:16,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2025-02-06 13:50:16,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 466. [2025-02-06 13:50:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 406 states have (on average 1.2142857142857142) internal successors, (493), 458 states have internal predecessors, (493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:50:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 505 transitions. [2025-02-06 13:50:16,231 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 505 transitions. Word has length 120 [2025-02-06 13:50:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:50:16,231 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 505 transitions. [2025-02-06 13:50:16,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:50:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 505 transitions. [2025-02-06 13:50:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 13:50:16,233 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:50:16,233 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-06 13:50:16,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:50:16,437 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,SelfDestructingSolverStorable11 [2025-02-06 13:50:16,437 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:50:16,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:50:16,437 INFO L85 PathProgramCache]: Analyzing trace with hash 886693985, now seen corresponding path program 1 times [2025-02-06 13:50:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:50:16,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751492715] [2025-02-06 13:50:16,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:50:16,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 13:50:16,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 13:50:16,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:16,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:50:16,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678513053] [2025-02-06 13:50:16,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:50:16,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:50:16,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:50:16,459 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 13:50:16,460 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 13:50:16,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 13:50:16,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 13:50:16,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:50:16,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:50:16,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:50:16,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:50:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:50:16,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:50:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:50:18,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:50:18,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751492715] [2025-02-06 13:50:18,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:50:18,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678513053] [2025-02-06 13:50:18,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678513053] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:50:18,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:50:18,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2025-02-06 13:50:18,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634328048] [2025-02-06 13:50:18,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:50:18,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:50:18,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:50:18,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:50:18,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:50:18,217 INFO L87 Difference]: Start difference. First operand 466 states and 505 transitions. Second operand has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:50:20,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:22,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:27,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:32,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:33,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:46,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:47,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:51,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:53,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:50:57,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:01,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:09,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:13,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:15,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:19,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:24,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:51:26,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:26,032 INFO L93 Difference]: Finished difference Result 473 states and 512 transitions. [2025-02-06 13:51:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:51:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 128 [2025-02-06 13:51:26,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:26,042 INFO L225 Difference]: With dead ends: 473 [2025-02-06 13:51:26,042 INFO L226 Difference]: Without dead ends: 472 [2025-02-06 13:51:26,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:51:26,042 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 610 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 42 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:26,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 96 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1407 Invalid, 10 Unknown, 0 Unchecked, 67.6s Time] [2025-02-06 13:51:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2025-02-06 13:51:26,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 465. [2025-02-06 13:51:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 406 states have (on average 1.206896551724138) internal successors, (490), 457 states have internal predecessors, (490), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:51:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 502 transitions. [2025-02-06 13:51:26,064 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 502 transitions. Word has length 128 [2025-02-06 13:51:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:26,065 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 502 transitions. [2025-02-06 13:51:26,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:51:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 502 transitions. [2025-02-06 13:51:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-06 13:51:26,066 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:26,067 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:26,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:51:26,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:26,268 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:51:26,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash -686109558, now seen corresponding path program 1 times [2025-02-06 13:51:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:26,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992384844] [2025-02-06 13:51:26,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:26,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-06 13:51:26,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 13:51:26,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:26,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:26,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607944916] [2025-02-06 13:51:26,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:26,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:26,311 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:26,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:51:26,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-06 13:51:26,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 13:51:26,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:26,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:26,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:51:26,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:51:26,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:27,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:27,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992384844] [2025-02-06 13:51:27,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:27,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607944916] [2025-02-06 13:51:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607944916] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:27,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:51:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675293951] [2025-02-06 13:51:27,087 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:51:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:27,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:51:27,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:27,088 INFO L87 Difference]: Start difference. First operand 465 states and 502 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:27,403 INFO L93 Difference]: Finished difference Result 465 states and 502 transitions. [2025-02-06 13:51:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:51:27,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 162 [2025-02-06 13:51:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:27,406 INFO L225 Difference]: With dead ends: 465 [2025-02-06 13:51:27,407 INFO L226 Difference]: Without dead ends: 452 [2025-02-06 13:51:27,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:51:27,407 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:27,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 51 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:51:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2025-02-06 13:51:27,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2025-02-06 13:51:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.1576354679802956) internal successors, (470), 444 states have internal predecessors, (470), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:51:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 482 transitions. [2025-02-06 13:51:27,420 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 482 transitions. Word has length 162 [2025-02-06 13:51:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:27,421 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 482 transitions. [2025-02-06 13:51:27,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 13:51:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 482 transitions. [2025-02-06 13:51:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-06 13:51:27,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:27,422 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:51:27,430 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 13:51:27,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:27,627 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:51:27,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:27,628 INFO L85 PathProgramCache]: Analyzing trace with hash 205440160, now seen corresponding path program 1 times [2025-02-06 13:51:27,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:27,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94521337] [2025-02-06 13:51:27,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:27,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-06 13:51:27,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-06 13:51:27,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:27,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:27,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94942434] [2025-02-06 13:51:27,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:27,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:27,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:27,663 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:27,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:51:27,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-06 13:51:27,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-06 13:51:27,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:27,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:27,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:51:27,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:51:28,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:28,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:28,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94521337] [2025-02-06 13:51:28,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:28,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94942434] [2025-02-06 13:51:28,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94942434] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:51:28,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:51:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:51:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765130627] [2025-02-06 13:51:28,398 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:28,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:51:28,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:28,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:51:28,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:28,399 INFO L87 Difference]: Start difference. First operand 452 states and 482 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:28,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:51:28,795 INFO L93 Difference]: Finished difference Result 456 states and 486 transitions. [2025-02-06 13:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:51:28,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 163 [2025-02-06 13:51:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:51:28,798 INFO L225 Difference]: With dead ends: 456 [2025-02-06 13:51:28,798 INFO L226 Difference]: Without dead ends: 410 [2025-02-06 13:51:28,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:51:28,800 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:51:28,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:51:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-02-06 13:51:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-02-06 13:51:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 364 states have (on average 1.1730769230769231) internal successors, (427), 402 states have internal predecessors, (427), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:51:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 439 transitions. [2025-02-06 13:51:28,819 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 439 transitions. Word has length 163 [2025-02-06 13:51:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:51:28,819 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 439 transitions. [2025-02-06 13:51:28,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 13:51:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 439 transitions. [2025-02-06 13:51:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-06 13:51:28,821 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:51:28,821 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 13:51:28,832 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 13:51:29,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:29,026 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2025-02-06 13:51:29,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:51:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1218241869, now seen corresponding path program 1 times [2025-02-06 13:51:29,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:51:29,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549871659] [2025-02-06 13:51:29,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:51:29,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 13:51:29,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 13:51:29,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:29,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:51:29,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197662874] [2025-02-06 13:51:29,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:51:29,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:51:29,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:51:29,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:51:29,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:51:29,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 13:51:29,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 13:51:29,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:51:29,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:51:29,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:51:29,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:51:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:29,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:51:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:51:29,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:51:29,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549871659] [2025-02-06 13:51:29,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:51:29,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197662874] [2025-02-06 13:51:29,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197662874] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:51:29,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:51:29,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 13:51:29,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965032409] [2025-02-06 13:51:29,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:51:29,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:51:29,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:51:29,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:51:29,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:51:29,701 INFO L87 Difference]: Start difference. First operand 410 states and 439 transitions. Second operand has 12 states, 11 states have (on average 29.09090909090909) internal successors, (320), 12 states have internal predecessors, (320), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)