./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/LogRecursive.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:59:28,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:59:28,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:59:28,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:59:28,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:59:28,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:59:28,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:59:28,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:59:28,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:59:28,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:59:28,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:59:28,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:59:28,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:59:28,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:59:28,147 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:59:28,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:59:28,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:59:28,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:59:28,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:59:28,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:59:28,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:59:28,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:59:28,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:59:28,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:59:28,154 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:59:28,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:59:28,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:59:28,155 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:59:28,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:59:28,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:59:28,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:59:28,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:59:28,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:59:28,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:59:28,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:59:28,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:59:28,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:59:28,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:59:28,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:59:28,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:59:28,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:59:28,159 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2024-11-17 03:59:28,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:59:28,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:59:28,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:59:28,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:59:28,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:59:28,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/LogRecursive.c [2024-11-17 03:59:29,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:59:30,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:59:30,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/LogRecursive.c [2024-11-17 03:59:30,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8befedcb8/7e4318c59c1646d684a702b90e906357/FLAGcec9bb9d8 [2024-11-17 03:59:30,550 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8befedcb8/7e4318c59c1646d684a702b90e906357 [2024-11-17 03:59:30,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:59:30,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:59:30,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:59:30,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:59:30,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:59:30,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49756904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30, skipping insertion in model container [2024-11-17 03:59:30,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:59:30,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:59:30,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:59:30,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:59:30,800 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:59:30,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30 WrapperNode [2024-11-17 03:59:30,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:59:30,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:59:30,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:59:30,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:59:30,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,826 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-17 03:59:30,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:59:30,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:59:30,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:59:30,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:59:30,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,837 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,860 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:59:30,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:59:30,868 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:59:30,868 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:59:30,868 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:59:30,869 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (1/1) ... [2024-11-17 03:59:30,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:59:30,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:30,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:59:30,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:59:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2024-11-17 03:59:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2024-11-17 03:59:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:59:30,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:59:31,025 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:59:31,027 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:59:31,142 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L41: havoc #t~ret5; [2024-11-17 03:59:31,192 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-17 03:59:31,193 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:59:31,211 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:59:31,212 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:59:31,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:31 BoogieIcfgContainer [2024-11-17 03:59:31,212 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:59:31,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:59:31,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:59:31,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:59:31,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:59:30" (1/3) ... [2024-11-17 03:59:31,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db49b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:31, skipping insertion in model container [2024-11-17 03:59:31,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:30" (2/3) ... [2024-11-17 03:59:31,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db49b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:31, skipping insertion in model container [2024-11-17 03:59:31,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:31" (3/3) ... [2024-11-17 03:59:31,226 INFO L112 eAbstractionObserver]: Analyzing ICFG LogRecursive.c [2024-11-17 03:59:31,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:59:31,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 03:59:31,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:59:31,319 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;@5ccd6d74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:59:31,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 03:59:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:59:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:59:31,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:31,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:31,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting _logErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:31,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:31,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1906134874, now seen corresponding path program 1 times [2024-11-17 03:59:31,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:31,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848943412] [2024-11-17 03:59:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:59:31,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122012182] [2024-11-17 03:59:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:31,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:31,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:31,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:31,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:59:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:31,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 03:59:31,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:31,707 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:59:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:31,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848943412] [2024-11-17 03:59:31,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 03:59:31,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122012182] [2024-11-17 03:59:31,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122012182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:31,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:31,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:31,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936775452] [2024-11-17 03:59:31,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:31,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:59:31,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:59:31,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:31,735 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:31,852 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-17 03:59:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:59:31,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 03:59:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:31,862 INFO L225 Difference]: With dead ends: 28 [2024-11-17 03:59:31,863 INFO L226 Difference]: Without dead ends: 22 [2024-11-17 03:59:31,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:31,869 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 24 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:31,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:31,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-17 03:59:31,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2024-11-17 03:59:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-17 03:59:31,917 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2024-11-17 03:59:31,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:31,917 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-17 03:59:31,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-17 03:59:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 03:59:31,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:31,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:31,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:59:32,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-17 03:59:32,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:32,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:32,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1039361029, now seen corresponding path program 1 times [2024-11-17 03:59:32,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:32,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839407717] [2024-11-17 03:59:32,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:32,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:59:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056844403] [2024-11-17 03:59:32,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:32,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:32,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:32,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:32,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:59:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:59:32,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:32,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:59:32,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:32,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839407717] [2024-11-17 03:59:32,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 03:59:32,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056844403] [2024-11-17 03:59:32,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056844403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:32,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:32,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:32,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079349988] [2024-11-17 03:59:32,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:32,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:59:32,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:32,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:59:32,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:32,284 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:32,345 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-17 03:59:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:59:32,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 03:59:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:32,347 INFO L225 Difference]: With dead ends: 22 [2024-11-17 03:59:32,350 INFO L226 Difference]: Without dead ends: 21 [2024-11-17 03:59:32,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:32,351 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 29 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:32,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 34 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:32,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-17 03:59:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-11-17 03:59:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-17 03:59:32,357 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 9 [2024-11-17 03:59:32,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:32,357 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-17 03:59:32,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-17 03:59:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:59:32,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:32,360 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:32,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:59:32,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-17 03:59:32,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:32,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:32,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1020330165, now seen corresponding path program 1 times [2024-11-17 03:59:32,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:32,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995899202] [2024-11-17 03:59:32,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 03:59:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:59:32,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:32,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995899202] [2024-11-17 03:59:32,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995899202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:32,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:32,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:59:32,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433365634] [2024-11-17 03:59:32,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:32,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:32,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:32,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:32,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:32,804 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:32,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:32,833 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-17 03:59:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:32,833 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-17 03:59:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:32,834 INFO L225 Difference]: With dead ends: 27 [2024-11-17 03:59:32,834 INFO L226 Difference]: Without dead ends: 25 [2024-11-17 03:59:32,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:32,836 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:32,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 45 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-17 03:59:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-17 03:59:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:59:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-17 03:59:32,842 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2024-11-17 03:59:32,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:32,842 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-17 03:59:32,843 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-17 03:59:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 03:59:32,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:32,844 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:32,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:59:32,844 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:32,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:32,845 INFO L85 PathProgramCache]: Analyzing trace with hash -190640604, now seen corresponding path program 1 times [2024-11-17 03:59:32,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:32,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650213225] [2024-11-17 03:59:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 03:59:32,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:32,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650213225] [2024-11-17 03:59:32,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650213225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:32,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:32,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:59:32,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593627645] [2024-11-17 03:59:32,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:32,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:59:32,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:32,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:59:32,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:59:32,999 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:33,013 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2024-11-17 03:59:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:59:33,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-17 03:59:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:33,015 INFO L225 Difference]: With dead ends: 24 [2024-11-17 03:59:33,015 INFO L226 Difference]: Without dead ends: 23 [2024-11-17 03:59:33,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:59:33,018 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:33,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:33,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-17 03:59:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-17 03:59:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:59:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-11-17 03:59:33,028 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 33 [2024-11-17 03:59:33,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:33,028 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-11-17 03:59:33,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-17 03:59:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 03:59:33,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:33,030 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:33,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:59:33,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting _logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:33,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:33,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1463536876, now seen corresponding path program 1 times [2024-11-17 03:59:33,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:33,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743675928] [2024-11-17 03:59:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 03:59:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 03:59:33,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743675928] [2024-11-17 03:59:33,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743675928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252648798] [2024-11-17 03:59:33,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:33,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:33,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:33,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:59:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:33,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:59:33,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 03:59:33,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 03:59:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252648798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:33,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:33,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 03:59:33,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585429383] [2024-11-17 03:59:33,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:33,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:59:33,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:59:33,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:59:33,488 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 03:59:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:33,552 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-17 03:59:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:59:33,555 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2024-11-17 03:59:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:33,557 INFO L225 Difference]: With dead ends: 42 [2024-11-17 03:59:33,557 INFO L226 Difference]: Without dead ends: 41 [2024-11-17 03:59:33,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:59:33,558 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:33,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 85 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:33,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-17 03:59:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-17 03:59:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 34 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 03:59:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2024-11-17 03:59:33,570 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2024-11-17 03:59:33,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:33,572 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2024-11-17 03:59:33,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 03:59:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2024-11-17 03:59:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 03:59:33,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:33,574 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:33,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:33,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:33,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting _logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:33,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:33,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1420722847, now seen corresponding path program 2 times [2024-11-17 03:59:33,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:33,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318436646] [2024-11-17 03:59:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:33,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:33,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:34,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 03:59:34,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318436646] [2024-11-17 03:59:34,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318436646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699636275] [2024-11-17 03:59:34,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:34,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:34,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:34,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:59:34,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:34,553 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:34,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 03:59:34,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 03:59:34,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 03:59:35,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699636275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:35,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:35,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-17 03:59:35,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909615546] [2024-11-17 03:59:35,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:35,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 03:59:35,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:35,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 03:59:35,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:59:35,350 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-17 03:59:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:35,460 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2024-11-17 03:59:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 03:59:35,460 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2024-11-17 03:59:35,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:35,462 INFO L225 Difference]: With dead ends: 78 [2024-11-17 03:59:35,464 INFO L226 Difference]: Without dead ends: 77 [2024-11-17 03:59:35,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:59:35,465 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:35,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-17 03:59:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-17 03:59:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 63 states have (on average 1.0317460317460319) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-17 03:59:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2024-11-17 03:59:35,481 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 67 [2024-11-17 03:59:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:35,482 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2024-11-17 03:59:35,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-17 03:59:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2024-11-17 03:59:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-17 03:59:35,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:35,485 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:35,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:35,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:35,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting _logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:35,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1177457499, now seen corresponding path program 3 times [2024-11-17 03:59:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:35,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063587023] [2024-11-17 03:59:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:35,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-17 03:59:38,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:38,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063587023] [2024-11-17 03:59:38,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063587023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:38,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404624488] [2024-11-17 03:59:38,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:59:38,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:38,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:38,178 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:38,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:59:38,426 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:59:38,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:38,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 03:59:38,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-17 03:59:38,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-17 03:59:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404624488] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:43,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:43,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-17 03:59:43,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993468752] [2024-11-17 03:59:43,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:43,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 03:59:43,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:43,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 03:59:43,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:59:43,547 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand has 48 states, 47 states have (on average 2.6595744680851063) internal successors, (125), 48 states have internal predecessors, (125), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-17 03:59:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:43,743 INFO L93 Difference]: Finished difference Result 150 states and 162 transitions. [2024-11-17 03:59:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-17 03:59:43,745 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.6595744680851063) internal successors, (125), 48 states have internal predecessors, (125), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) Word has length 133 [2024-11-17 03:59:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:43,747 INFO L225 Difference]: With dead ends: 150 [2024-11-17 03:59:43,750 INFO L226 Difference]: Without dead ends: 149 [2024-11-17 03:59:43,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:59:43,752 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:43,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:59:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-17 03:59:43,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-17 03:59:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 123 states have (on average 1.016260162601626) internal successors, (125), 124 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-17 03:59:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 150 transitions. [2024-11-17 03:59:43,780 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 150 transitions. Word has length 133 [2024-11-17 03:59:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:43,781 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 150 transitions. [2024-11-17 03:59:43,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.6595744680851063) internal successors, (125), 48 states have internal predecessors, (125), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-17 03:59:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2024-11-17 03:59:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-17 03:59:43,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:43,785 INFO L215 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:43,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:59:43,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:43,990 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting _logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:59:43,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash -575236175, now seen corresponding path program 4 times [2024-11-17 03:59:43,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:43,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821211319] [2024-11-17 03:59:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:52,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:52,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:52,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2924 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2024-11-17 03:59:53,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:53,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821211319] [2024-11-17 03:59:53,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821211319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:53,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147237582] [2024-11-17 03:59:53,649 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:59:53,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:53,650 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:53,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:59:54,598 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:59:54,598 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:54,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-17 03:59:54,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2924 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2024-11-17 03:59:54,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2924 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2024-11-17 04:00:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147237582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:42,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-11-17 04:00:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973750947] [2024-11-17 04:00:42,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:42,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-17 04:00:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:42,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-17 04:00:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 04:00:42,407 INFO L87 Difference]: Start difference. First operand 149 states and 150 transitions. Second operand has 96 states, 95 states have (on average 2.5789473684210527) internal successors, (245), 96 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 47 states have return successors, (47), 47 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-17 04:00:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:42,782 INFO L93 Difference]: Finished difference Result 294 states and 318 transitions. [2024-11-17 04:00:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-17 04:00:42,782 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.5789473684210527) internal successors, (245), 96 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 47 states have return successors, (47), 47 states have call predecessors, (47), 1 states have call successors, (47) Word has length 265 [2024-11-17 04:00:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:42,786 INFO L225 Difference]: With dead ends: 294 [2024-11-17 04:00:42,786 INFO L226 Difference]: Without dead ends: 293 [2024-11-17 04:00:42,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4764 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 04:00:42,791 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:42,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 180 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:42,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-17 04:00:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-17 04:00:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 243 states have (on average 1.008230452674897) internal successors, (245), 244 states have internal predecessors, (245), 2 states have call successors, (2), 1 states have call predecessors, (2), 47 states have return successors, (47), 47 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-17 04:00:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 294 transitions. [2024-11-17 04:00:42,819 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 294 transitions. Word has length 265 [2024-11-17 04:00:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:42,820 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 294 transitions. [2024-11-17 04:00:42,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.5789473684210527) internal successors, (245), 96 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 47 states have return successors, (47), 47 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-17 04:00:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 294 transitions. [2024-11-17 04:00:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-11-17 04:00:42,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:42,834 INFO L215 NwaCegarLoop]: trace histogram [49, 48, 48, 48, 48, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:42,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:43,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:43,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting _logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [_logErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, _logErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:00:43,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:43,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1509968329, now seen corresponding path program 5 times [2024-11-17 04:00:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:43,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87560100] [2024-11-17 04:00:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:49,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat