./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/cohencu4-both-nt.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/termination-nla/cohencu4-both-nt.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 7fd13595f3b5096b42d3b96a25fd9abd33fd3af5374ed62e7f19833538fa3307 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:33:37,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:33:37,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:33:37,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:33:37,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:33:37,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:33:37,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:33:37,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:33:37,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:33:37,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:33:37,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:33:37,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:33:37,952 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:33:37,953 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:33:37,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:33:37,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:33:37,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:33:37,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:33:37,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:33:37,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:33:37,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:33:37,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:33:37,955 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 -> 7fd13595f3b5096b42d3b96a25fd9abd33fd3af5374ed62e7f19833538fa3307 [2025-02-06 13:33:38,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:33:38,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:33:38,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:33:38,284 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:33:38,284 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:33:38,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/cohencu4-both-nt.c [2025-02-06 13:33:39,450 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82ab7610a/61aaa33172e94fd69cb637b47a87363c/FLAG22bf973bd [2025-02-06 13:33:39,652 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:33:39,652 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-nla/cohencu4-both-nt.c [2025-02-06 13:33:39,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82ab7610a/61aaa33172e94fd69cb637b47a87363c/FLAG22bf973bd [2025-02-06 13:33:39,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82ab7610a/61aaa33172e94fd69cb637b47a87363c [2025-02-06 13:33:39,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:33:39,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:33:39,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:33:39,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:33:39,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:33:39,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbf2d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39, skipping insertion in model container [2025-02-06 13:33:39,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:33:39,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:33:39,832 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:33:39,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:33:39,852 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:33:39,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39 WrapperNode [2025-02-06 13:33:39,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:33:39,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:33:39,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:33:39,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:33:39,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,873 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2025-02-06 13:33:39,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:33:39,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:33:39,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:33:39,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:33:39,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,887 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 13:33:39,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:33:39,892 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:33:39,892 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:33:39,893 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:33:39,894 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (1/1) ... [2025-02-06 13:33:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:33:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:39,922 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 13:33:39,924 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 13:33:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:33:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:33:39,975 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:33:39,977 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:33:40,151 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2025-02-06 13:33:40,151 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:33:40,160 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:33:40,160 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:33:40,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:33:40 BoogieIcfgContainer [2025-02-06 13:33:40,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:33:40,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:33:40,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:33:40,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:33:40,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:33:39" (1/3) ... [2025-02-06 13:33:40,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a79b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:33:40, skipping insertion in model container [2025-02-06 13:33:40,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:33:39" (2/3) ... [2025-02-06 13:33:40,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a79b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:33:40, skipping insertion in model container [2025-02-06 13:33:40,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:33:40" (3/3) ... [2025-02-06 13:33:40,168 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu4-both-nt.c [2025-02-06 13:33:40,181 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:33:40,182 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu4-both-nt.c that has 1 procedures, 56 locations, 1 initial locations, 1 loop locations, and 24 error locations. [2025-02-06 13:33:40,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:33:40,217 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;@260f3bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:33:40,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-02-06 13:33:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 31 states have (on average 1.8387096774193548) internal successors, (57), 55 states have internal predecessors, (57), 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 13:33:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 13:33:40,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:40,223 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 13:33:40,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:40,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2646367, now seen corresponding path program 1 times [2025-02-06 13:33:40,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:40,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828832382] [2025-02-06 13:33:40,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:40,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:40,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 13:33:40,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 13:33:40,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:40,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:33:40,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046481584] [2025-02-06 13:33:40,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:40,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:40,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:40,287 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 13:33:40,289 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 13:33:40,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 13:33:40,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 13:33:40,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:40,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:40,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:33:40,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:40,368 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 13:33:40,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:33:40,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:40,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828832382] [2025-02-06 13:33:40,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:33:40,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046481584] [2025-02-06 13:33:40,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046481584] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:40,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:40,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377870266] [2025-02-06 13:33:40,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:40,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:40,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:40,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:40,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:40,391 INFO L87 Difference]: Start difference. First operand has 56 states, 31 states have (on average 1.8387096774193548) internal successors, (57), 55 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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 13:33:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:40,511 INFO L93 Difference]: Finished difference Result 96 states and 108 transitions. [2025-02-06 13:33:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:40,513 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 13:33:40,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:40,518 INFO L225 Difference]: With dead ends: 96 [2025-02-06 13:33:40,518 INFO L226 Difference]: Without dead ends: 80 [2025-02-06 13:33:40,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:40,522 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 26 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:40,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 38 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:40,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-06 13:33:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2025-02-06 13:33:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.7307692307692308) internal successors, (90), 75 states have internal predecessors, (90), 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 13:33:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 90 transitions. [2025-02-06 13:33:40,551 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 90 transitions. Word has length 4 [2025-02-06 13:33:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:40,551 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 90 transitions. [2025-02-06 13:33:40,551 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 13:33:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2025-02-06 13:33:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:33:40,552 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:40,552 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:33:40,558 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 13:33:40,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:33:40,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:40,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1751808003, now seen corresponding path program 1 times [2025-02-06 13:33:40,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:40,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154319671] [2025-02-06 13:33:40,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:40,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:40,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:33:40,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:33:40,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:40,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:40,787 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 13:33:40,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:40,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154319671] [2025-02-06 13:33:40,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154319671] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397087953] [2025-02-06 13:33:40,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:40,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:40,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:40,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:40,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:40,789 INFO L87 Difference]: Start difference. First operand 76 states and 90 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:40,846 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2025-02-06 13:33:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:40,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 13:33:40,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:40,847 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:40,848 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:40,848 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 13:33:40,848 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 20 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:40,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 54 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:40,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:40,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 75 states have internal predecessors, (89), 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 13:33:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2025-02-06 13:33:40,853 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 6 [2025-02-06 13:33:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2025-02-06 13:33:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2025-02-06 13:33:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:33:40,854 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:40,854 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:40,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:33:40,854 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:40,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1528526770, now seen corresponding path program 1 times [2025-02-06 13:33:40,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:40,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472066135] [2025-02-06 13:33:40,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:40,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:33:40,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:33:40,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:40,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:40,890 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 13:33:40,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:40,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472066135] [2025-02-06 13:33:40,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472066135] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:40,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:40,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:40,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485464693] [2025-02-06 13:33:40,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:40,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:40,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:40,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:40,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:40,896 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:40,951 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2025-02-06 13:33:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:40,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 13:33:40,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:40,952 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:40,953 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:40,953 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 13:33:40,953 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:40,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 55 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:40,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.6923076923076923) internal successors, (88), 75 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2025-02-06 13:33:40,957 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 7 [2025-02-06 13:33:40,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:40,958 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2025-02-06 13:33:40,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2025-02-06 13:33:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:33:40,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:40,958 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:40,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:33:40,958 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:40,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:40,959 INFO L85 PathProgramCache]: Analyzing trace with hash 139689627, now seen corresponding path program 1 times [2025-02-06 13:33:40,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:40,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583795793] [2025-02-06 13:33:40,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:40,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:33:40,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:33:40,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:40,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:40,991 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 13:33:40,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:40,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583795793] [2025-02-06 13:33:40,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583795793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:40,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:33:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141464017] [2025-02-06 13:33:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:40,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:33:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:40,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:33:40,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:33:40,993 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:41,158 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2025-02-06 13:33:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:33:41,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 13:33:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:41,159 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:41,159 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:41,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:33:41,160 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 58 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:41,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 40 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:41,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:41,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.6730769230769231) internal successors, (87), 75 states have internal predecessors, (87), 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 13:33:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2025-02-06 13:33:41,173 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 8 [2025-02-06 13:33:41,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:41,173 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2025-02-06 13:33:41,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2025-02-06 13:33:41,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 13:33:41,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:41,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:41,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:33:41,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:41,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:41,174 INFO L85 PathProgramCache]: Analyzing trace with hash 35411152, now seen corresponding path program 1 times [2025-02-06 13:33:41,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:41,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528813774] [2025-02-06 13:33:41,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:41,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:41,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:33:41,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:33:41,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:41,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:41,256 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 13:33:41,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528813774] [2025-02-06 13:33:41,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528813774] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:41,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:41,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:33:41,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245243909] [2025-02-06 13:33:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:41,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:33:41,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:41,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:33:41,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:33:41,261 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 13:33:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:41,370 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2025-02-06 13:33:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:33:41,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-02-06 13:33:41,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:41,371 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:41,371 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:41,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:33:41,376 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 56 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:41,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 41 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 75 states have internal predecessors, (86), 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 13:33:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2025-02-06 13:33:41,383 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 9 [2025-02-06 13:33:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:41,383 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2025-02-06 13:33:41,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 13:33:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2025-02-06 13:33:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:33:41,383 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:41,384 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:41,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:33:41,384 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:41,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:41,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1628316713, now seen corresponding path program 1 times [2025-02-06 13:33:41,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:41,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461203263] [2025-02-06 13:33:41,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:41,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:41,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:33:41,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:33:41,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:41,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:33:41,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385008274] [2025-02-06 13:33:41,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:41,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:41,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:41,396 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 13:33:41,397 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 13:33:41,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:33:41,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:33:41,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:41,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:41,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:33:41,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:41,510 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 13:33:41,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:33:41,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:41,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461203263] [2025-02-06 13:33:41,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:33:41,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385008274] [2025-02-06 13:33:41,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385008274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:41,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:41,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:41,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330092815] [2025-02-06 13:33:41,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:41,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:41,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:41,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:41,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:41,511 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:41,595 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2025-02-06 13:33:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:41,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-06 13:33:41,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:41,596 INFO L225 Difference]: With dead ends: 82 [2025-02-06 13:33:41,596 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:41,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 13:33:41,596 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:41,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.5769230769230769) internal successors, (82), 75 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2025-02-06 13:33:41,606 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 12 [2025-02-06 13:33:41,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:41,606 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2025-02-06 13:33:41,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13:33:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2025-02-06 13:33:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 13:33:41,610 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:41,610 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:41,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:33:41,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:41,810 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:41,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:41,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1061789452, now seen corresponding path program 1 times [2025-02-06 13:33:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:41,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615352211] [2025-02-06 13:33:41,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:41,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 13:33:41,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 13:33:41,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:41,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:41,878 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 13:33:41,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:41,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615352211] [2025-02-06 13:33:41,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615352211] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:41,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:41,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:33:41,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285779746] [2025-02-06 13:33:41,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:41,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:33:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:41,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:33:41,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:33:41,881 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:41,976 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2025-02-06 13:33:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:41,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-06 13:33:41,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:41,978 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:41,978 INFO L226 Difference]: Without dead ends: 78 [2025-02-06 13:33:41,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:33:41,979 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:41,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 50 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:41,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-06 13:33:41,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-02-06 13:33:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 75 states have internal predecessors, (81), 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 13:33:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2025-02-06 13:33:41,987 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 13 [2025-02-06 13:33:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:41,987 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2025-02-06 13:33:41,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2025-02-06 13:33:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:33:41,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:41,990 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:41,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:33:41,990 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:41,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 873179464, now seen corresponding path program 1 times [2025-02-06 13:33:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:41,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189609870] [2025-02-06 13:33:41,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:41,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:33:41,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:33:42,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,060 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 13:33:42,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189609870] [2025-02-06 13:33:42,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189609870] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:33:42,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405318052] [2025-02-06 13:33:42,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:33:42,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:33:42,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:33:42,062 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,154 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2025-02-06 13:33:42,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:33:42,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-02-06 13:33:42,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,155 INFO L225 Difference]: With dead ends: 79 [2025-02-06 13:33:42,155 INFO L226 Difference]: Without dead ends: 77 [2025-02-06 13:33:42,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:33:42,156 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 40 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 37 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-02-06 13:33:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2025-02-06 13:33:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.5) internal successors, (78), 74 states have internal predecessors, (78), 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 13:33:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2025-02-06 13:33:42,160 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 17 [2025-02-06 13:33:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,160 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2025-02-06 13:33:42,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 13:33:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2025-02-06 13:33:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 13:33:42,161 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,161 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] [2025-02-06 13:33:42,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:33:42,161 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2013105276, now seen corresponding path program 1 times [2025-02-06 13:33:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168329272] [2025-02-06 13:33:42,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:33:42,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:33:42,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,207 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 13:33:42,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168329272] [2025-02-06 13:33:42,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168329272] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:42,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877714590] [2025-02-06 13:33:42,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:42,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:42,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:42,208 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,215 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2025-02-06 13:33:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-02-06 13:33:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,216 INFO L225 Difference]: With dead ends: 75 [2025-02-06 13:33:42,217 INFO L226 Difference]: Without dead ends: 74 [2025-02-06 13:33:42,217 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 13:33:42,218 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-02-06 13:33:42,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-02-06 13:33:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 73 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2025-02-06 13:33:42,225 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 21 [2025-02-06 13:33:42,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,226 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2025-02-06 13:33:42,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 13:33:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2025-02-06 13:33:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 13:33:42,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,226 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] [2025-02-06 13:33:42,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:33:42,226 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2018245869, now seen corresponding path program 1 times [2025-02-06 13:33:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330514437] [2025-02-06 13:33:42,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 13:33:42,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 13:33:42,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,276 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 13:33:42,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330514437] [2025-02-06 13:33:42,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330514437] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:42,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290833368] [2025-02-06 13:33:42,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:42,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:42,278 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 13:33:42,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,286 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2025-02-06 13:33:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:42,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-02-06 13:33:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,287 INFO L225 Difference]: With dead ends: 75 [2025-02-06 13:33:42,287 INFO L226 Difference]: Without dead ends: 74 [2025-02-06 13:33:42,287 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 13:33:42,288 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:42,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-02-06 13:33:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-02-06 13:33:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 73 states have internal predecessors, (75), 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 13:33:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2025-02-06 13:33:42,292 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 22 [2025-02-06 13:33:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,292 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2025-02-06 13:33:42,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 13:33:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2025-02-06 13:33:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 13:33:42,293 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,293 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] [2025-02-06 13:33:42,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:33:42,293 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1858887518, now seen corresponding path program 1 times [2025-02-06 13:33:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824045699] [2025-02-06 13:33:42,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 13:33:42,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 13:33:42,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,332 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 13:33:42,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824045699] [2025-02-06 13:33:42,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824045699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771048421] [2025-02-06 13:33:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:42,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:42,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:42,333 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,407 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2025-02-06 13:33:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:42,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2025-02-06 13:33:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,408 INFO L225 Difference]: With dead ends: 75 [2025-02-06 13:33:42,408 INFO L226 Difference]: Without dead ends: 74 [2025-02-06 13:33:42,409 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 13:33:42,409 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-02-06 13:33:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-02-06 13:33:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 73 states have internal predecessors, (74), 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 13:33:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2025-02-06 13:33:42,417 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 23 [2025-02-06 13:33:42,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,417 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2025-02-06 13:33:42,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2025-02-06 13:33:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:33:42,418 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,418 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] [2025-02-06 13:33:42,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:33:42,419 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1757050146, now seen corresponding path program 1 times [2025-02-06 13:33:42,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623529207] [2025-02-06 13:33:42,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:33:42,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:33:42,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,451 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 13:33:42,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623529207] [2025-02-06 13:33:42,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623529207] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:42,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457761626] [2025-02-06 13:33:42,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:42,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:42,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:42,453 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,504 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2025-02-06 13:33:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-02-06 13:33:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,505 INFO L225 Difference]: With dead ends: 74 [2025-02-06 13:33:42,505 INFO L226 Difference]: Without dead ends: 72 [2025-02-06 13:33:42,506 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 13:33:42,506 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:42,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-02-06 13:33:42,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-02-06 13:33:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 71 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2025-02-06 13:33:42,510 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 27 [2025-02-06 13:33:42,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,510 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2025-02-06 13:33:42,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2025-02-06 13:33:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:33:42,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,510 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] [2025-02-06 13:33:42,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:33:42,511 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1366020295, now seen corresponding path program 1 times [2025-02-06 13:33:42,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270746364] [2025-02-06 13:33:42,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:33:42,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:33:42,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,541 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 13:33:42,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270746364] [2025-02-06 13:33:42,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270746364] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:42,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555669804] [2025-02-06 13:33:42,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:42,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:42,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:42,543 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 13:33:42,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,584 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2025-02-06 13:33:42,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:42,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2025-02-06 13:33:42,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,585 INFO L225 Difference]: With dead ends: 75 [2025-02-06 13:33:42,585 INFO L226 Difference]: Without dead ends: 74 [2025-02-06 13:33:42,585 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 13:33:42,585 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:42,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-02-06 13:33:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-02-06 13:33:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 73 states have internal predecessors, (74), 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 13:33:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2025-02-06 13:33:42,589 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 28 [2025-02-06 13:33:42,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,589 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2025-02-06 13:33:42,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 13:33:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2025-02-06 13:33:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:33:42,590 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,590 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:42,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:33:42,590 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:42,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:42,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1514488347, now seen corresponding path program 1 times [2025-02-06 13:33:42,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:42,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738715441] [2025-02-06 13:33:42,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:42,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:33:42,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:33:42,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:33:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926395241] [2025-02-06 13:33:42,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:42,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:42,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:42,600 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 13:33:42,601 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 13:33:42,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:33:42,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:33:42,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:42,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:42,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:33:42,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:42,782 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:33:42,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:42,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738715441] [2025-02-06 13:33:42,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:33:42,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926395241] [2025-02-06 13:33:42,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926395241] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:42,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:42,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:33:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588129861] [2025-02-06 13:33:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:42,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:33:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:42,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:33:42,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:33:42,783 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 13:33:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:42,898 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2025-02-06 13:33:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:33:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 30 [2025-02-06 13:33:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:42,899 INFO L225 Difference]: With dead ends: 74 [2025-02-06 13:33:42,899 INFO L226 Difference]: Without dead ends: 71 [2025-02-06 13:33:42,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:33:42,899 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 29 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:42,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 34 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:42,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-02-06 13:33:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-02-06 13:33:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 70 states have internal predecessors, (71), 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 13:33:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2025-02-06 13:33:42,902 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 30 [2025-02-06 13:33:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:42,903 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2025-02-06 13:33:42,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 13:33:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2025-02-06 13:33:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:33:42,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:42,903 INFO L218 NwaCegarLoop]: trace histogram [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 13:33:42,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:33:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:43,110 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:43,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash 295501518, now seen corresponding path program 1 times [2025-02-06 13:33:43,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:43,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714193126] [2025-02-06 13:33:43,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:43,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:33:43,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:33:43,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:43,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:33:43,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976713965] [2025-02-06 13:33:43,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:43,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:43,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:43,119 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 13:33:43,121 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 13:33:43,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:33:43,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:33:43,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:43,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:43,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:33:43,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:43,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:43,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714193126] [2025-02-06 13:33:43,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:33:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976713965] [2025-02-06 13:33:43,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976713965] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:43,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:33:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 13:33:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643250483] [2025-02-06 13:33:43,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:43,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:33:43,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:43,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:33:43,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:33:43,793 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 13:33:44,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:33:46,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:33:47,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:33:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:47,352 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2025-02-06 13:33:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:33:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 31 [2025-02-06 13:33:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:47,353 INFO L225 Difference]: With dead ends: 108 [2025-02-06 13:33:47,353 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 13:33:47,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:33:47,354 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 78 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:47,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 60 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 195 Invalid, 3 Unknown, 0 Unchecked, 3.5s Time] [2025-02-06 13:33:47,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 13:33:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2025-02-06 13:33:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 99 states have internal predecessors, (113), 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 13:33:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2025-02-06 13:33:47,357 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 31 [2025-02-06 13:33:47,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:47,357 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2025-02-06 13:33:47,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 13:33:47,357 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2025-02-06 13:33:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:33:47,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:47,358 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:47,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:33:47,558 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,SelfDestructingSolverStorable14 [2025-02-06 13:33:47,558 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:47,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash 570612483, now seen corresponding path program 1 times [2025-02-06 13:33:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:47,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140267222] [2025-02-06 13:33:47,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:47,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:33:47,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:33:47,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:47,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:47,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:47,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140267222] [2025-02-06 13:33:47,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140267222] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:47,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234209477] [2025-02-06 13:33:47,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:47,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:47,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:47,593 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 13:33:47,594 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 13:33:47,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:33:47,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:33:47,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:47,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:47,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:33:47,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:47,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:47,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234209477] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:47,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:33:47,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:33:47,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741878942] [2025-02-06 13:33:47,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:47,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:33:47,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:47,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:33:47,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:33:47,729 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 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 13:33:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:47,840 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2025-02-06 13:33:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:33:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 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 32 [2025-02-06 13:33:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:47,842 INFO L225 Difference]: With dead ends: 102 [2025-02-06 13:33:47,842 INFO L226 Difference]: Without dead ends: 101 [2025-02-06 13:33:47,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:33:47,844 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 60 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:47,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 66 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:47,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-02-06 13:33:47,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2025-02-06 13:33:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 99 states have internal predecessors, (112), 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 13:33:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2025-02-06 13:33:47,854 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 32 [2025-02-06 13:33:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:47,854 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2025-02-06 13:33:47,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 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 13:33:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2025-02-06 13:33:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:33:47,854 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:47,854 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:47,863 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 13:33:48,054 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,SelfDestructingSolverStorable15 [2025-02-06 13:33:48,056 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:48,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash 509117804, now seen corresponding path program 1 times [2025-02-06 13:33:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:48,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404358850] [2025-02-06 13:33:48,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:48,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:33:48,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:33:48,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:48,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:48,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:48,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404358850] [2025-02-06 13:33:48,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404358850] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:48,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011987413] [2025-02-06 13:33:48,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:48,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:48,121 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 13:33:48,122 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 13:33:48,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:33:48,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:33:48,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:48,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:48,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:33:48,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:48,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:48,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011987413] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:48,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:33:48,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:33:48,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467293797] [2025-02-06 13:33:48,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:48,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:33:48,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:48,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:33:48,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:33:48,248 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:48,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:48,335 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2025-02-06 13:33:48,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:33:48,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2025-02-06 13:33:48,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:48,336 INFO L225 Difference]: With dead ends: 102 [2025-02-06 13:33:48,336 INFO L226 Difference]: Without dead ends: 101 [2025-02-06 13:33:48,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:33:48,337 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:48,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 59 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-02-06 13:33:48,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2025-02-06 13:33:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 99 states have internal predecessors, (111), 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 13:33:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 111 transitions. [2025-02-06 13:33:48,340 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 111 transitions. Word has length 33 [2025-02-06 13:33:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:48,340 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 111 transitions. [2025-02-06 13:33:48,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2025-02-06 13:33:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:33:48,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:48,341 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:48,347 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 13:33:48,541 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,SelfDestructingSolverStorable16 [2025-02-06 13:33:48,542 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:48,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:48,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1397217247, now seen corresponding path program 1 times [2025-02-06 13:33:48,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:48,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249229140] [2025-02-06 13:33:48,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:48,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:48,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:33:48,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:33:48,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:48,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:33:48,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315556069] [2025-02-06 13:33:48,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:48,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:48,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:48,552 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 13:33:48,552 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 13:33:48,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:33:48,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:33:48,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:48,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:48,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:33:48,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:48,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:48,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:48,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249229140] [2025-02-06 13:33:48,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:33:48,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315556069] [2025-02-06 13:33:48,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315556069] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:48,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:33:48,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:33:48,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615496533] [2025-02-06 13:33:48,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:48,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:33:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:48,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:33:48,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:33:48,828 INFO L87 Difference]: Start difference. First operand 100 states and 111 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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 13:33:49,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:49,187 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2025-02-06 13:33:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:33:49,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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 34 [2025-02-06 13:33:49,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:49,188 INFO L225 Difference]: With dead ends: 109 [2025-02-06 13:33:49,188 INFO L226 Difference]: Without dead ends: 100 [2025-02-06 13:33:49,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:33:49,189 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 39 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:49,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 47 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:33:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-06 13:33:49,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2025-02-06 13:33:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.216867469879518) internal successors, (101), 98 states have internal predecessors, (101), 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 13:33:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2025-02-06 13:33:49,198 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 34 [2025-02-06 13:33:49,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:49,198 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2025-02-06 13:33:49,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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 13:33:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2025-02-06 13:33:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 13:33:49,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:49,199 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:33:49,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:33:49,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:49,403 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:49,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:49,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2142143475, now seen corresponding path program 1 times [2025-02-06 13:33:49,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:49,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206912385] [2025-02-06 13:33:49,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:49,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:33:49,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:33:49,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:49,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:49,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:49,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206912385] [2025-02-06 13:33:49,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206912385] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:49,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950879307] [2025-02-06 13:33:49,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:49,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:49,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:49,439 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 13:33:49,441 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 13:33:49,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:33:49,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:33:49,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:49,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:49,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:33:49,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:49,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:49,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950879307] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:49,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:33:49,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:33:49,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846871947] [2025-02-06 13:33:49,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:49,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:33:49,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:49,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:33:49,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:33:49,577 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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 13:33:49,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:49,589 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2025-02-06 13:33:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:33:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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 48 [2025-02-06 13:33:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:49,590 INFO L225 Difference]: With dead ends: 169 [2025-02-06 13:33:49,591 INFO L226 Difference]: Without dead ends: 168 [2025-02-06 13:33:49,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:33:49,591 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 43 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:49,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 200 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:49,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-06 13:33:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 142. [2025-02-06 13:33:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 141 states have internal predecessors, (168), 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 13:33:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2025-02-06 13:33:49,596 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 48 [2025-02-06 13:33:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:49,596 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2025-02-06 13:33:49,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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 13:33:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2025-02-06 13:33:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 13:33:49,597 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:49,597 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, 1, 1, 1, 1] [2025-02-06 13:33:49,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 13:33:49,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:49,802 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:49,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1844607821, now seen corresponding path program 1 times [2025-02-06 13:33:49,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:49,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994115276] [2025-02-06 13:33:49,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:49,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:49,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 13:33:49,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 13:33:49,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:49,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-06 13:33:49,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:49,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994115276] [2025-02-06 13:33:49,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994115276] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:33:49,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:33:49,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:33:49,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016382065] [2025-02-06 13:33:49,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:33:49,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:33:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:49,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:33:49,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:33:49,828 INFO L87 Difference]: Start difference. First operand 142 states and 168 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 13:33:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:49,871 INFO L93 Difference]: Finished difference Result 142 states and 168 transitions. [2025-02-06 13:33:49,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:33:49,871 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 54 [2025-02-06 13:33:49,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:49,872 INFO L225 Difference]: With dead ends: 142 [2025-02-06 13:33:49,872 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 13:33:49,872 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 13:33:49,873 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:49,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 31 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:33:49,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 13:33:49,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2025-02-06 13:33:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 126 states have (on average 1.3095238095238095) internal successors, (165), 140 states have internal predecessors, (165), 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 13:33:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 165 transitions. [2025-02-06 13:33:49,879 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 165 transitions. Word has length 54 [2025-02-06 13:33:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:49,879 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 165 transitions. [2025-02-06 13:33:49,880 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 13:33:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2025-02-06 13:33:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 13:33:49,880 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:49,880 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, 1, 1, 1] [2025-02-06 13:33:49,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 13:33:49,880 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:49,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:49,881 INFO L85 PathProgramCache]: Analyzing trace with hash -293285239, now seen corresponding path program 2 times [2025-02-06 13:33:49,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:49,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181456708] [2025-02-06 13:33:49,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:33:49,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:49,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 13:33:49,891 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:33:49,891 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:33:49,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:50,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:50,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181456708] [2025-02-06 13:33:50,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181456708] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:50,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466719222] [2025-02-06 13:33:50,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:33:50,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:50,017 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 13:33:50,018 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 13:33:50,044 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 13:33:50,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 13:33:50,053 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:33:50,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:50,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:33:50,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:50,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466719222] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:50,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:33:50,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:33:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458019179] [2025-02-06 13:33:50,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:50,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:33:50,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:50,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:33:50,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:33:50,314 INFO L87 Difference]: Start difference. First operand 141 states and 165 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 13:33:50,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:50,549 INFO L93 Difference]: Finished difference Result 141 states and 165 transitions. [2025-02-06 13:33:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:33:50,550 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 58 [2025-02-06 13:33:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:50,550 INFO L225 Difference]: With dead ends: 141 [2025-02-06 13:33:50,551 INFO L226 Difference]: Without dead ends: 139 [2025-02-06 13:33:50,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:33:50,551 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 62 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:50,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 42 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:33:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-06 13:33:50,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-06 13:33:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 138 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:33:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 160 transitions. [2025-02-06 13:33:50,555 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 160 transitions. Word has length 58 [2025-02-06 13:33:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:50,555 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 160 transitions. [2025-02-06 13:33:50,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 13:33:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions. [2025-02-06 13:33:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 13:33:50,556 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:50,556 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 13:33:50,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:33:50,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:50,756 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:50,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash -501907802, now seen corresponding path program 2 times [2025-02-06 13:33:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:50,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106818493] [2025-02-06 13:33:50,757 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:33:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:50,760 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-02-06 13:33:50,764 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:33:50,764 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:33:50,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:50,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:50,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106818493] [2025-02-06 13:33:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106818493] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:50,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692791935] [2025-02-06 13:33:50,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:33:50,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:50,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:50,814 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 13:33:50,816 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 13:33:50,830 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-02-06 13:33:50,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 13:33:50,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:33:50,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:50,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:33:50,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:51,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:33:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:33:51,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692791935] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:33:51,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:33:51,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:33:51,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291799979] [2025-02-06 13:33:51,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:33:51,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:33:51,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:33:51,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:33:51,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:33:51,098 INFO L87 Difference]: Start difference. First operand 139 states and 160 transitions. Second operand has 13 states, 12 states have (on average 13.833333333333334) internal successors, (166), 13 states have internal predecessors, (166), 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 13:33:51,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:33:51,251 INFO L93 Difference]: Finished difference Result 142 states and 160 transitions. [2025-02-06 13:33:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:33:51,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.833333333333334) internal successors, (166), 13 states have internal predecessors, (166), 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 59 [2025-02-06 13:33:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:33:51,252 INFO L225 Difference]: With dead ends: 142 [2025-02-06 13:33:51,252 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 13:33:51,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:33:51,253 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 81 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:33:51,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 60 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:33:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 13:33:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2025-02-06 13:33:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 126 states have (on average 1.2619047619047619) internal successors, (159), 138 states have internal predecessors, (159), 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 13:33:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 159 transitions. [2025-02-06 13:33:51,258 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 159 transitions. Word has length 59 [2025-02-06 13:33:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:33:51,258 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 159 transitions. [2025-02-06 13:33:51,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.833333333333334) internal successors, (166), 13 states have internal predecessors, (166), 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 13:33:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2025-02-06 13:33:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-06 13:33:51,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:33:51,258 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 13:33:51,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:33:51,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:51,459 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:33:51,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:33:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1297060156, now seen corresponding path program 1 times [2025-02-06 13:33:51,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:33:51,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744529491] [2025-02-06 13:33:51,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:33:51,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 13:33:51,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 13:33:51,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:51,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:51,541 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 13:33:51,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:33:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744529491] [2025-02-06 13:33:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744529491] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:33:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46850082] [2025-02-06 13:33:51,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:33:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:33:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:33:51,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:33:51,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 13:33:51,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 13:33:51,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 13:33:51,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:33:51,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:33:51,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:33:51,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:33:51,807 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 13:33:51,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:34:05,576 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 13:34:05,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46850082] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:34:05,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:34:05,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2025-02-06 13:34:05,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837287400] [2025-02-06 13:34:05,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:34:05,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:34:05,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:34:05,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:34:05,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=183, Unknown=4, NotChecked=0, Total=240 [2025-02-06 13:34:05,577 INFO L87 Difference]: Start difference. First operand 139 states and 159 transitions. Second operand has 16 states, 15 states have (on average 11.666666666666666) internal successors, (175), 16 states have internal predecessors, (175), 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 13:34:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:34:06,232 INFO L93 Difference]: Finished difference Result 139 states and 159 transitions. [2025-02-06 13:34:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:34:06,233 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.666666666666666) internal successors, (175), 16 states have internal predecessors, (175), 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 61 [2025-02-06 13:34:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:34:06,234 INFO L225 Difference]: With dead ends: 139 [2025-02-06 13:34:06,234 INFO L226 Difference]: Without dead ends: 135 [2025-02-06 13:34:06,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=172, Invalid=376, Unknown=4, NotChecked=0, Total=552 [2025-02-06 13:34:06,234 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 99 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:34:06,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 52 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:34:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-06 13:34:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2025-02-06 13:34:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 126 states have (on average 1.1746031746031746) internal successors, (148), 134 states have internal predecessors, (148), 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 13:34:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 148 transitions. [2025-02-06 13:34:06,239 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 148 transitions. Word has length 61 [2025-02-06 13:34:06,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:34:06,240 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 148 transitions. [2025-02-06 13:34:06,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.666666666666666) internal successors, (175), 16 states have internal predecessors, (175), 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 13:34:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2025-02-06 13:34:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-06 13:34:06,240 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:34:06,240 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2025-02-06 13:34:06,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 13:34:06,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-02-06 13:34:06,445 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:34:06,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:34:06,446 INFO L85 PathProgramCache]: Analyzing trace with hash -934293790, now seen corresponding path program 1 times [2025-02-06 13:34:06,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:34:06,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099264402] [2025-02-06 13:34:06,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:34:06,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:34:06,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:34:06,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:34:06,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:34:06,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:06,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:34:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099264402] [2025-02-06 13:34:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099264402] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:34:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793390868] [2025-02-06 13:34:06,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:34:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:34:06,514 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:34:06,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 13:34:06,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 13:34:06,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 13:34:06,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:34:06,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:06,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:34:06,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:34:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:06,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:34:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:06,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793390868] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:34:06,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:34:06,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:34:06,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92946805] [2025-02-06 13:34:06,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:34:06,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:34:06,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:34:06,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:34:06,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:34:06,743 INFO L87 Difference]: Start difference. First operand 135 states and 148 transitions. Second operand has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 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 13:34:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:34:06,891 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2025-02-06 13:34:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:34:06,891 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 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 63 [2025-02-06 13:34:06,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:34:06,892 INFO L225 Difference]: With dead ends: 137 [2025-02-06 13:34:06,892 INFO L226 Difference]: Without dead ends: 136 [2025-02-06 13:34:06,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:34:06,892 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 94 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:34:06,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 69 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:34:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-02-06 13:34:06,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2025-02-06 13:34:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 126 states have (on average 1.1587301587301588) internal successors, (146), 134 states have internal predecessors, (146), 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 13:34:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2025-02-06 13:34:06,895 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 63 [2025-02-06 13:34:06,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:34:06,896 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2025-02-06 13:34:06,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 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 13:34:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2025-02-06 13:34:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 13:34:06,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:34:06,896 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 13:34:06,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 13:34:07,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:07,097 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:34:07,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:34:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1101663587, now seen corresponding path program 1 times [2025-02-06 13:34:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:34:07,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57572755] [2025-02-06 13:34:07,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:34:07,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:34:07,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:34:07,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:34:07,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:34:07,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:34:07,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264328125] [2025-02-06 13:34:07,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:34:07,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:07,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:34:07,124 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:34:07,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 13:34:07,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:34:07,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:34:07,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:34:07,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:07,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:34:07,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:34:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:07,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:34:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:07,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:34:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57572755] [2025-02-06 13:34:07,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:34:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264328125] [2025-02-06 13:34:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264328125] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:34:07,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:34:07,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:34:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085219575] [2025-02-06 13:34:07,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:34:07,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:34:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:34:07,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:34:07,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:34:07,782 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:34:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:34:08,404 INFO L93 Difference]: Finished difference Result 169 states and 184 transitions. [2025-02-06 13:34:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:34:08,404 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-02-06 13:34:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:34:08,405 INFO L225 Difference]: With dead ends: 169 [2025-02-06 13:34:08,405 INFO L226 Difference]: Without dead ends: 164 [2025-02-06 13:34:08,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:34:08,406 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 103 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:34:08,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 106 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:34:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-06 13:34:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 151. [2025-02-06 13:34:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 142 states have (on average 1.1267605633802817) internal successors, (160), 150 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:34:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2025-02-06 13:34:08,412 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 64 [2025-02-06 13:34:08,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:34:08,412 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2025-02-06 13:34:08,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:34:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2025-02-06 13:34:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 13:34:08,412 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:34:08,412 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 13:34:08,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 13:34:08,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:08,613 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:34:08,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:34:08,613 INFO L85 PathProgramCache]: Analyzing trace with hash -361862718, now seen corresponding path program 2 times [2025-02-06 13:34:08,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:34:08,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997883066] [2025-02-06 13:34:08,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:34:08,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:34:08,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-02-06 13:34:08,621 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:34:08,621 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:34:08,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:34:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593677011] [2025-02-06 13:34:08,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:34:08,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:34:08,625 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:34:08,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:34:08,645 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-02-06 13:34:08,658 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:34:08,658 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:34:08,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:08,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:34:08,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:34:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:08,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:34:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:10,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:34:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997883066] [2025-02-06 13:34:10,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:34:10,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593677011] [2025-02-06 13:34:10,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593677011] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:34:10,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:34:10,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:34:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17472649] [2025-02-06 13:34:10,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:34:10,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:34:10,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:34:10,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:34:10,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:34:10,644 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand has 16 states, 15 states have (on average 11.0) internal successors, (165), 16 states have internal predecessors, (165), 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 13:34:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:34:11,426 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2025-02-06 13:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:34:11,427 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.0) internal successors, (165), 16 states have internal predecessors, (165), 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 83 [2025-02-06 13:34:11,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:34:11,432 INFO L225 Difference]: With dead ends: 202 [2025-02-06 13:34:11,432 INFO L226 Difference]: Without dead ends: 201 [2025-02-06 13:34:11,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=140, Invalid=240, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:34:11,433 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 245 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:34:11,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 157 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:34:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-02-06 13:34:11,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 196. [2025-02-06 13:34:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 187 states have (on average 1.1550802139037433) internal successors, (216), 195 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:34:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 216 transitions. [2025-02-06 13:34:11,446 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 216 transitions. Word has length 83 [2025-02-06 13:34:11,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:34:11,446 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 216 transitions. [2025-02-06 13:34:11,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.0) internal successors, (165), 16 states have internal predecessors, (165), 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 13:34:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 216 transitions. [2025-02-06 13:34:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 13:34:11,447 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:34:11,447 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 13:34:11,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:34:11,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 13:34:11,648 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 13:34:11,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:34:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash 142279520, now seen corresponding path program 3 times [2025-02-06 13:34:11,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:34:11,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105421134] [2025-02-06 13:34:11,648 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:34:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:34:11,653 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 4 equivalence classes. [2025-02-06 13:34:11,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 13:34:11,661 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 13:34:11,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:34:11,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:34:11,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105421134] [2025-02-06 13:34:11,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105421134] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:34:11,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893138886] [2025-02-06 13:34:11,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:34:11,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:34:11,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:34:11,793 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:34:11,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 13:34:11,813 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 4 equivalence classes. [2025-02-06 13:34:11,820 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 33 of 85 statements. [2025-02-06 13:34:11,820 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 13:34:11,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:34:11,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:34:11,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:34:58,867 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (and (<= (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) 2147483647) (exists ((|v_ULTIMATE.start_main_~z~0#1_79| Int)) (and (exists ((|v_ULTIMATE.start_main_~y~0#1_83| Int)) (let ((.cse1 (* |v_ULTIMATE.start_main_~y~0#1_83| 12))) (let ((.cse0 (div (+ (* (- 2) |v_ULTIMATE.start_main_~z~0#1_79|) .cse1 6 (* (- 1) |v_ULTIMATE.start_main_~y~0#1_83| |v_ULTIMATE.start_main_~z~0#1_79|)) 18))) (and (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse0) |v_ULTIMATE.start_main_~y~0#1_83|) (= (mod (+ (* 16 |v_ULTIMATE.start_main_~z~0#1_79|) (* |v_ULTIMATE.start_main_~y~0#1_83| 17 |v_ULTIMATE.start_main_~z~0#1_79|) .cse1 6) 18) 0) (<= 0 (+ 119304647 .cse0)) (<= (+ |v_ULTIMATE.start_main_~y~0#1_83| |v_ULTIMATE.start_main_~z~0#1_79|) |ULTIMATE.start_main_~y~0#1|))))) (<= (+ 6 |v_ULTIMATE.start_main_~z~0#1_79|) |ULTIMATE.start_main_~z~0#1|))))) is different from true [2025-02-06 13:34:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:34:58,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:34:58,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893138886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:34:58,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:34:58,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2025-02-06 13:34:58,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839938103] [2025-02-06 13:34:58,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:34:58,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:34:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:34:58,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:34:58,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=145, Unknown=11, NotChecked=24, Total=210 [2025-02-06 13:34:58,907 INFO L87 Difference]: Start difference. First operand 196 states and 216 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 13:35:07,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 13:35:11,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 13:35:15,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]